Alfa Chemistry. - Products
Alfa Chemistry is an ISO 9001:2015 Certified Supplier of various building blocks, reagents, catalysts, nanomaterials, reference materials, and research chemicals. In-stock products can be shipped quickly.
| Product | Description | |
|---|---|---|
| 2-(2,6-dioxopiperidin-3-yl)-5-(4-(2-hydroxyethyl)piperidin-1-yl)isoindoline-1,3-dione | 2-(2,6-dioxopiperidin-3-yl)-5-(4-(2-hydroxyethyl)piperidin-1-yl)isoindoline-1,3-dione. Uses: Designed for use in research and industrial production. Product Category: PROTAC Library. CAS No. 2222115-35-5. Molecular formula: C20H23N3O5. Mole weight: 385.4137. Product ID: PR2222115355. Alfa Chemistry ISO 9001:2015 Certified. |  |
| 2-(2,6-dioxopiperidin-3-yl)-5-(4-[(4-hydroxypiperidin-1-yl)methyl]piperidin-1-yl)-2,3-dihydro-1H-isoindole-1,3-dione | 2-(2,6-dioxopiperidin-3-yl)-5-(4-[(4-hydroxypiperidin-1-yl)methyl]piperidin-1-yl)-2,3-dihydro-1H-isoindole-1,3-dione. Uses: Designed for use in research and industrial production. Product Category: PROTAC Library. Molecular formula: C24H30N4O5. Mole weight: 454.5188. Product ID: PR01122. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2-(2,6-dioxopiperidin-3-yl)-5-[4-(hydroxymethyl)-3-methylpiperidin-1-yl]isoindole-1,3-dione | 2-(2,6-dioxopiperidin-3-yl)-5-[4-(hydroxymethyl)-3-methylpiperidin-1-yl]isoindole-1,3-dione. Uses: Designed for use in research and industrial production. Product Category: PROTAC Library. Molecular formula: C20H23N3O5. Mole weight: 385.4137. Product ID: PR01112. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2-(2,6-dioxopiperidin-3-yl)-5-(4-(hydroxymethyl)piperidin-1-yl)-2,3-dihydro-1H-isoindole-1,3-dione | 2-(2,6-dioxopiperidin-3-yl)-5-(4-(hydroxymethyl)piperidin-1-yl)-2,3-dihydro-1H-isoindole-1,3-dione. Uses: Designed for use in research and industrial production. Product Category: PROTAC Library. CAS No. 2229717-49-9. Molecular formula: C19H21N3O5. Mole weight: 371.3871. IUPACName: 2-(2,6-dioxopiperidin-3-yl)-5-[4-(hydroxymethyl)piperidin-1-yl]isoindole-1,3-dione. Product ID: PR2229717499. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2-(2,6-Dioxopiperidin-3-yl)-5,6-difluoroisoindoline-1,3-dione | 2-(2,6-Dioxopiperidin-3-yl)-5,6-difluoroisoindoline-1,3-dione. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 2-(2,6-dioxopiperidin-3-yl)-5,6-difluoro-2,3-dihydro-1H-isoindole-1,3-dione. Product Category: PROTAC Library. CAS No. 1496997-41-1. Molecular formula: C13H8F2N2O4. Mole weight: 294.2104. IUPACName: 2-(2,6-dioxopiperidin-3-yl)-5,6-difluoroisoindole-1,3-dione. Product ID: PR1496997411. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2-(2,6-dioxopiperidin-3-yl)-5-(9-oxo-3-azaspiro[5.5]undecan-3-yl)isoindoline-1,3-dione | 2-(2,6-dioxopiperidin-3-yl)-5-(9-oxo-3-azaspiro[5.5]undecan-3-yl)isoindoline-1,3-dione. Uses: Designed for use in research and industrial production. Product Category: PROTAC Library. Molecular formula: C23H25N3O5. Mole weight: 423.4617. Purity: 0.96. Product ID: PR01070. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2-(2,6-dioxopiperidin-3-yl)-5-fluoro-2,3-dihydro-1H-isoindole-1,3-dione | 2-(2,6-dioxopiperidin-3-yl)-5-fluoro-2,3-dihydro-1H-isoindole-1,3-dione. Uses: Designed for use in research and industrial production. Additional or Alternative Names: Thalidomide 5-fluoride. Product Category: PROTAC Library. CAS No. 835616-61-0. Molecular formula: C13H9FN2O4. Mole weight: 276.22. IUPACName: 2-(2,6-dioxopiperidin-3-yl)-5-fluoroisoindole-1,3-dione. Product ID: PR835616610. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2-(2,6-dioxopiperidin-3-yl)-5-fluoro-6-(4-[(4-oxocyclohexyl)methyl]piperazin-1-yl)-2,3-dihydro-1H-isoindole-1,3-dione | 2-(2,6-dioxopiperidin-3-yl)-5-fluoro-6-(4-[(4-oxocyclohexyl)methyl]piperazin-1-yl)-2,3-dihydro-1H-isoindole-1,3-dione. Uses: Designed for use in research and industrial production. Product Category: PROTAC Library. Molecular formula: C24H27FN4O5. Mole weight: 470.4934. Product ID: PR01161. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2-(2,6-Dioxopiperidin-3-yl)-5-fluoro-6-(4-(hydroxymethyl)piperidin-1-yl)isoindoline-1,3-dione | 2-(2,6-Dioxopiperidin-3-yl)-5-fluoro-6-(4-(hydroxymethyl)piperidin-1-yl)isoindoline-1,3-dione. Uses: Designed for use in research and industrial production. Product Category: PROTAC Library. CAS No. 2505501-99-3. Molecular formula: C19H20FN3O5. Mole weight: 389.3776. IUPACName: 2-(2,6-dioxopiperidin-3-yl)-5-fluoro-6-[4-(hydroxymethyl)piperidin-1-yl]isoindole-1,3-dione. Product ID: PR2505501993. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2-(2,6-dioxopiperidin-3-yl)-5-fluoro-6-(piperazin-1-yl)-2,3-dihydro-1H-isoindole-1,3-dione | 2-(2,6-dioxopiperidin-3-yl)-5-fluoro-6-(piperazin-1-yl)-2,3-dihydro-1H-isoindole-1,3-dione. Uses: Designed for use in research and industrial production. Additional or Alternative Names: Thalidomide-Piperazine 5-fluoride. Product Category: PROTAC Library. CAS No. 2222114-22-7. Molecular formula: C17H17FN4O4. Mole weight: 360.3397. Purity: 0.99. IUPACName: 2-(2,6-dioxopiperidin-3-yl)-5-fluoro-6-piperazin-1-ylisoindole-1,3-dione. Product ID: PR2222114227. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2-(2,6-dioxopiperidin-3-yl)-5-methylisoindoline-1,3-dione | 2-(2,6-dioxopiperidin-3-yl)-5-methylisoindoline-1,3-dione. Uses: Designed for use in research and industrial production. Additional or Alternative Names: Thalidomide-5-methyl. Product Category: PROTAC Library. CAS No. 40313-92-6. Molecular formula: C14H12N2O4. Mole weight: 272.2561. IUPACName: 2-(2,6-dioxopiperidin-3-yl)-5-methylisoindole-1,3-dione. Product ID: PR40313926. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2-(2,6-dioxopiperidin-3-yl)-5-(piperazin-1-yl)-2,3-dihydro-1H-isoindole-1,3-dione | 2-(2,6-dioxopiperidin-3-yl)-5-(piperazin-1-yl)-2,3-dihydro-1H-isoindole-1,3-dione. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 2-(2,6-dioxopiperidin-3-yl)-5-(piperazin-1-yl)isoindoline-1,3-dione. Product Category: PROTAC Library. CAS No. 2154342-61-5. Molecular formula: C17H18N4O4. Mole weight: 342.3492. Purity: 0.98. IUPACName: 2-(2,6-dioxopiperidin-3-yl)-5-piperazin-1-ylisoindole-1,3-dione. Product ID: PR2154342615. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2-(2,6-dioxopiperidin-3-yl)-5-(piperidin-4-yl)isoindoline-1,3-dione | 2-(2,6-dioxopiperidin-3-yl)-5-(piperidin-4-yl)isoindoline-1,3-dione. Uses: Designed for use in research and industrial production. Product Category: PROTAC Library. CAS No. 2229718-43-6. Molecular formula: C18H19N3O4. Mole weight: 341.3612. Purity: >95%. IUPACName: 2-(2,6-dioxopiperidin-3-yl)-5-piperidin-4-ylisoindole-1,3-dione. Product ID: PR2229718436. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2-(2,6-dioxopiperidin-3-yl)-5-(piperidin-4-yl)isoindoline-1,3-dione hydrochloride | 2-(2,6-dioxopiperidin-3-yl)-5-(piperidin-4-yl)isoindoline-1,3-dione hydrochloride. Uses: Designed for use in research and industrial production. Product Category: PROTAC Library. CAS No. 2229718-44-7. Molecular formula: C18H20ClN3O4. Mole weight: 377.8221. Purity: 0.99. Product ID: PR2229718447. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2-(2,6-dioxopiperidin-3-yl)-5-(piperidin-4-yloxy)isoindoline-1,3-dione hydrochloride | 2-(2,6-dioxopiperidin-3-yl)-5-(piperidin-4-yloxy)isoindoline-1,3-dione hydrochloride. Uses: Designed for use in research and industrial production. Product Category: PROTAC Library. CAS No. 2222116-10-9. Molecular formula: C18H19N3O5. Mole weight: 357.3606. Product ID: PR2222116109. Alfa Chemistry ISO 9001:2015 Certified. Categories: SCHEMBL23250103. | |
| 2-(2,8,9-Trioxa-5-aza-1-silabicyclo[3.3.3]undec-1-yloxy)ethanol | 2-(2,8,9-Trioxa-5-aza-1-silabicyclo[3.3.3]undec-1-yloxy)ethanol. Uses: Designed for use in research and industrial production. Additional or Alternative Names: SILATRANE GLYCOL;2-(2,8,9-TRIOXA-5-AZA-1-SILABICYCLO[3.3.3]UNDEC-1-YLOXY)ETHANOL;HYDROXYETHOXYSILATRANE. Product Category: Polymer/Macromolecule. CAS No. 56929-77-2. Molecular formula: C8H17NO5Si. Mole weight: 235.31. Purity: 0.96. IUPACName: 2-(4,6,11-trioxa-1-aza-5-silabicyclo[3.3.3]undecan-5-yloxy)ethanol. Canonical SMILES: C1CO[Si]2(OCCN1CCO2)OCCO. Density: 1.05 g/cm³. Product ID: ACM56929772. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2-(2-aminoethoxy)-N-(2-(2,6-dioxopiperidin-3-yl)-1,3-dioxo-2,3-dihydro-1H-isoindol-4-yl)acetamide | 2-(2-aminoethoxy)-N-(2-(2,6-dioxopiperidin-3-yl)-1,3-dioxo-2,3-dihydro-1H-isoindol-4-yl)acetamide. Uses: Designed for use in research and industrial production. Additional or Alternative Names: Pomalidomide-PEG1-NH2. Product Category: PROTAC Library. CAS No. 2380273-66-3. Molecular formula: C17H18N4O6. Mole weight: 374.348. IUPACName: 2-(2-aminoethoxy)-N-[2-(2,6-dioxopiperidin-3-yl)-1,3-dioxoisoindol-4-yl]acetamide. Product ID: PR2380273663. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2,2'-Benzidinedisulfonic Acid (contains 20% Water at maximum) | 2,2'-Benzidinedisulfonic Acid (contains 20% Water at maximum). Uses: Designed for use in research and industrial production. Additional or Alternative Names: 4,4'-Diamino-2,2'-biphenyldisulfonic Acid (contains 20% Water at maximum). Product Category: Amide & Amine Monomers. Appearance: White to Brown Powder to Crystal. CAS No. 117-61-3. Molecular formula: C12H12N2O6S2. Mole weight: 344.36 g/mol. Purity: 70.0%(T). Product ID: ACM-MO-117613. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2,2-Biphenyldimethanol | 2,2-Biphenyldimethanol. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 2,2-BIPHENYLDIMETHANOL;RARECHEM AL BD 0377;2,2-Bis(hydroxymethyl)biphenyl;4,4-BIPHENYLDEMETHANO;[2-(2-methylolphenyl)phenyl]methanol;[2-[2-(hydroxymethyl)phenyl]phenyl]methanol;2,2-Biphenyldimethanol 98%;[1,1-BIPHENYL]-2,2-DIYLDIMETHANOL. Product Category: Polymer/Macromolecule. CAS No. 3594-90-9. Molecular formula: C14H14O2. Mole weight: 214.26. Purity: 0.96. IUPACName: [2-[2-(hydroxymethyl)phenyl]phenyl]methanol. Density: 1.174g/cm³. Product ID: ACM3594909. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2,2'-Bipyridine-4,4'-dicarboxaldehyde | 2,2'-Bipyridine-4,4'-dicarboxaldehyde is an organic building block. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 2,2'-Bipyridyl-4,4'-dicarboxaldehyde. Appearance: Off-White to Beige Powder. CAS No. 99970-84-0. Molecular formula: C12H8N2O2. Mole weight: 212.2. Purity: 0.98. Canonical SMILES: [H]C(=O)c1ccnc(c1)-c2cc(ccn2)C([H])=O. Product ID: ACM99970840-3. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2,2'-Bipyridine, 99% | 2,2'-Bipyridine, 99%. Uses: As a reagent for the determination of iron. Additional or Alternative Names: 2-pyridin-2-ylpyridin; D-7255; ROFVEXUMMXZLPA-UHFFFAOYSA-N; D 7505; 2,2''-dipyridyl; B0468; (aS)-2,2'-Bipyridine; BP-10293; 2,2'-Bipyridyl, p.a., 99.5%; STL282738. Product Category: Polymer/Macromolecule. CAS No. 366-18-7. Molecular formula: C10H8N2;C10H8N2. Mole weight: 156.188g/mol. IUPACName: 2-pyridin-2-ylpyridine. Canonical SMILES: C1=CC=NC(=C1)C2=CC=CC=N2. ECNumber: 206-674-4. Product ID: ACM366187. Alfa Chemistry ISO 9001:2015 Certified. | |
| (2,2'-Bipyridine)bis(2-phenylpyridinato)iridium(III)Hexafluorophosphate | (2,2'-Bipyridine)bis(2-phenylpyridinato)iridium(III)Hexafluorophosphate. Uses: Designed for use in research and industrial production. CAS No. 106294-60-4. Purity: 0.95. Product ID: ACM106294604-3. Alfa Chemistry ISO 9001:2015 Certified. | |
| (2,2'-Bipyridine)dichloropalladium(II) | (2,2'-Bipyridine)dichloropalladium(II). Uses: Designed for use in research and industrial production. Additional or Alternative Names: 2-pyridin-2-ylpyridine; 2,2'-Bipyridine-dichloropalladium (1:1); Bis(2,2 inverted exclamation marka-Bipyridine)palladium dichloride; Dichloro(2,2 inverted exclamation marka-bipyridine)palladium; KS-00000VHX; TRA0034672; BIS(2,2'-BIPYRIDINE)PALLADIUM DICHLORIDE; 2,2'-BIPYRIDYLPALLADIUM DICHLORIDE; AM84940; 2,2 inverted exclamation marka-Bipyridylpalladium dichloride. Product Category: Palladium series catalysts. CAS No. 14871-92-2. Molecular formula: C10H8Cl2N2Pd. Mole weight: 333.508g/mol. IUPACName: dichloropalladium;2-pyridin-2-ylpyridine. Canonical SMILES: C1=CC=NC(=C1)C2=CC=CC=N2.Cl[Pd]Cl. Product ID: ACM14871922. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2,2'-Biquinoline-4,4'-dicarboxylic acid dipotassium salt trihydrate | 2,2'-Biquinoline-4,4'-dicarboxylic acid dipotassium salt trihydrate. Uses: Designed for use in research and industrial production. Product Category: Quinolines. Appearance: White to Beige Powder. CAS No. 207124-63-8. Molecular formula: C20H10K2N2O4·3H2O. Mole weight: 474.55. Purity: 0.99. Product ID: ACM207124638-1. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2,2-Bis(aminoethoxy)propane | 2,2-Bis(aminoethoxy)propane. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 2,2'-[(1-Methylethylidene)bis(oxy)]bis(ethanamine). Product Category: Amide & Amine Monomers. CAS No. 127090-71-5. Molecular formula: C7H18N2O2. Mole weight: 162.23 g/mol. Purity: 0.98. Product ID: ACM-MO-127090715. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2,2'-Bis(diphenylphosphino)-1,1'-binaphthyl | 2,2'-Bis(diphenylphosphino)-1,1'-binaphthyl. Uses: Phosphine ligand kit component. useful ligand for palladium-catalyzed carbon-nitrogen bond formation. useful ligand for rhodium-catalyzed c-c bond formation. useful ligand for palladium-catalyzed intramolecular acylation of aryl bromides via c-h activation. used in the preparation of buchwald third generation precatalyst. used in methoxy directed rhodium migration. used in nickel catalyzed c-n cross-coupling reactions. Additional or Alternative Names: F0001-2326; DB-009478; AC1LCPMX; (S)-2,2'-BIS(DIPHENYLPHOSPHINO)-1,1'-BINAPHTHYL; AN-10356; SC-19338; (S)-(-)-2,2'-Bis(diphenylphosphino)-1,1'-binaphthalene, puriss.; PubChem8136; TL8005203; (S)-(-)-2,2 inverted exclamation mark -Bis(diphenylphosphino)-1,1 inverted exclamation mark -binaphthalene. Product Category: Organic Phosphine Compounds. CAS No. 98327-87-8. Molecular formula: C44H32P2. Mole weight: 622.688g/mol. IUPACName: [1-(2-diphenylphosphanylnaphthalen-1-yl)naphthalen-2-yl]-diphenylphosphane. Canonical SMILES: C1=CC=C(C=C1)P(C2=CC=CC=C2)C3=C(C4=CC=CC=C4C=C3)C5=C(C=CC6=CC=CC=C65)P(C7=CC=CC=C7)C8=CC=CC=C8. ECNumber: 616-304-7. Product ID: ACM98327878. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2-[(2-Bromo-2-methylpropanoyl)oxy]ethyl Acrylate | 2-[(2-Bromo-2-methylpropanoyl)oxy]ethyl Acrylate. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 2-(2-Bromoisobutyryloxy)ethyl Acrylate; 2-(Acryloyloxy)ethyl 2-Bromoisobutyrate; 2-(2-Bromo-2-methyl-1-oxopropoxy)ethyl 2-Propenoate. Product Category: Acrylate Monomers. Appearance: Colorless to Light Yellow Clear Liquid. CAS No. 213453-02-2. Molecular formula: C9H13BrO4. Mole weight: 265.1 g/mol. Purity: 95.0%(GC). Product ID: ACM-MO-213453022. Alfa Chemistry ISO 9001:2015 Certified. Categories: 2-((2-Bromo-2-methylpropanoyl)oxy)ethyl acrylate. | |
| 2-(2-Bromoethyl)pyridine HBr | 2-(2-Bromoethyl)pyridine HBr. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 2-(2-BROMO-ETHYL)-PYRIDINE HYDROBROMIDE. Product Category: Bromine Series. CAS No. 72996-65-7. Molecular formula: C7H9Br2N. Mole weight: 266.96. Purity: 0.96. IUPACName: 2-(2-bromoethyl)pyridine;hydrobromide. Canonical SMILES: C1=CC=NC(=C1)CCBr.Br. Product ID: ACM72996657. Alfa Chemistry ISO 9001:2015 Certified. Categories: 2-(2-BROMOETHYL)PYRIDINE HYDROBROMIDE. | |
| 2-(2'-Bromophenoxy)propane | 2-(2'-Bromophenoxy)propane. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 1-Bromo-2-isopropoxybenzene;2-(2'-Bromophenoxy)propane. Product Category: Bromine Series. CAS No. 701-07-5. Molecular formula: C9H11BrO. Mole weight: 215.09. Purity: 0.96. IUPACName: 1-bromo-2-propan-2-yloxybenzene. Canonical SMILES: CC(C)OC1=CC=CC=C1Br. Density: 1.34. ECNumber: 615-067-7. Product ID: ACM701075. Alfa Chemistry ISO 9001:2015 Certified. Categories: 1-Bromo-2-(1-methylethoxy)benzene. | |
| 2-(2-Bromophenyl)-1H-imidazole | 2-(2-Bromophenyl)-1H-imidazole. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 2-(2-BROMO-PHENYL)-1H-IMIDAZOLE. Product Category: Bromine Series. CAS No. 162356-38-9. Molecular formula: C9H7 Br N2. Mole weight: 223.06928. Purity: 0.96. IUPACName: 2-(2-bromophenyl)-1H-imidazole. Canonical SMILES: C1=CC=C(C(=C1)C2=NC=CN2)Br. Product ID: ACM162356389. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2-(2-Bromophenyl)ethanol | 2-(2-Bromophenyl)ethanol. Uses: Designed for use in research and industrial production. Product Category: Bromine Series. CAS No. 1074-16-4. Product ID: ACM1074164. Alfa Chemistry ISO 9001:2015 Certified. Categories: 2-(2-Bromophenyl)Ethan-1-Ol. | |
| 2-(2-Butoxyethoxy)ethyl methacrylate | 2-(2-Butoxyethoxy)ethyl methacrylate. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 2-(2-butoxyethoxy)ethyl methacrylate;Butyldiglycol methacrylate;2-Propenoic acid, 2-methyl-, 2-(2-butoxyethoxy)ethyl ester;2-(2-Butoxyethoxy)ethylmethacrylat;2-Methylpropenoic acid 2-(2-butoxyethoxy)ethyl ester;Diethylene glycol butyl ether methacrylate;M. Product Category: Polymer/Macromolecule. CAS No. 7328-22-5. Molecular formula: C12H22O4. Mole weight: 230.30068. Product ID: ACM7328225. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2-(2-Chloroethoxy)ethanol | 2-(2-Chloroethoxy)ethanol. Uses: Designed for use in research and industrial production. Product Category: Alcohols. CAS No. 628-89-7. Molecular formula: C4H8O3. Mole weight: 124.57. Purity: >98.0%(GC). Product ID: ACM628897. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2,2-dibromoacetamide | 2,2-dibromoacetamide. Uses: Designed for use in research and industrial production. Additional or Alternative Names: Acetamide, 2,2-Dibromo-. Appearance: Liquid. CAS No. 598-70-9. Molecular formula: C2H3Br2NO. Mole weight: 216.86. Purity: 0.99. Product ID: ACM598709. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2,2-Dibromoallobetulon | 2,2-Dibromoallobetulon. Uses: Designed for use in research and industrial production. Product Category: Steroidal Compounds. CAS No. 103366-00-3. Molecular formula: C30H46Br2O2. Mole weight: 598. Purity: 0.95. Product ID: ACM103366003. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2,2'-Dibromophenyl | 2,2'-Dibromophenyl. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 2,2-DIBROMOBIPHENYL; 2,2'-Dibromobiphenyl; 2,2-Dibromo-1,1-biphenyl. Product Category: Bromine Series. Appearance: white crystalline powder. CAS No. 13029-09-9. Molecular formula: C11H9Cl. Mole weight: 312. Purity: 0.96. IUPACName: 1-bromo-2-(2-bromophenyl)benzene. Canonical SMILES: C1=CC=C(C(=C1)C2=CC=CC=C2Br)Br. Density: 1.667g/cm³. Product ID: ACM13029099. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2,2-Dichloroethanol | 2,2-Dichloroethanol. Uses: Designed for use in research and industrial production. Additional or Alternative Names: Ethanol,2,2-dichloro; Dichloroethanol; EINECS 209-931-9; dichloromethane-methanol; 2,2-dichloroethan-1-ol; 2,2-dicloroethanol; 2,2-Dichlor-aethanol; 2,2-Dichloro-ethanol. Product Category: Alcohols. Appearance: colourless to light yellow liquid. CAS No. 598-38-9. Molecular formula: C2H4Cl2O. Mole weight: 114.96. Purity: 0.96. IUPACName: 2,2-dichloroethanol. Canonical SMILES: C(C(Cl)Cl)O. Density: 1.398 g/cm1.398 g/cm³. ECNumber: 209-931-9. Product ID: ACM598389. Alfa Chemistry ISO 9001:2015 Certified. Categories: 2,2-Dichloroethanoyl chloride. | |
| 2,2-Difluoro-1,3-dimethylimidazolidine | 2,2-Difluoro-1,3-dimethylimidazolidine. Uses: Designed for use in research and industrial production. Product Category: Imidazoles. Appearance: Liquid. CAS No. 220405-40-3. Molecular formula: C5H10F2N2. Mole weight: 136.14. Purity: 0.95. Density: 1.096 g/mL. Product ID: ACM220405403. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2,2-Difluoro-1-propanol | 2,2-Difluoro-1-propanol. Uses: Designed for use in research and industrial production. Product Category: Amines. CAS No. 33420-52-9. Molecular formula: C3H6F2O. Mole weight: 96.08. Product ID: ACM33420529. Alfa Chemistry ISO 9001:2015 Certified. Categories: 2,2-Difluoropropanol. | |
| 2,2'-Difluorobiphenyl | 2,2'-Difluorobiphenyl. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 2,2-Difluorobiphenyl, 2,2-Difluoro-1,1-biphenyl, 1,1-Biphenyl, 2,2-difluoro-, 442280_SUPELCO, 533645_ALDRICH, EINECS 206-863-1, AI3-52652, ST5409759, 388-82-9. Product Category: Aryl. CAS No. 388-82-9. Molecular formula: C12H6Br4. Mole weight: 190.19. Purity: 0.96. IUPACName: 1-fluoro-2-(2-fluorophenyl)benzene. Canonical SMILES: C1=CC=C(C(=C1)C2=CC=CC=C2F)F. Density: 1.165g/cm³. ECNumber: 206-863-1. Product ID: ACM388829. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2,2-Difluorodihydrobetulinic acid | 2,2-Difluorodihydrobetulinic acid. Uses: Designed for use in research and industrial production. Product Category: Steroidal Compounds. CAS No. 1772632-28-6. Purity: 0.95. Product ID: ACM1772632286. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2,2-Difluoroethylamine hydrochloride | 2,2-Difluoroethylamine hydrochloride. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 79667-91-7, 2,2-difluoroethanamine hydrochloride, 2,2-Difluoroethylamine hydrochloride, AGN-PC-01UT6A, CTK5E7002, MolPort-001-778-515, 2,2-Difluoroethylaminehydrochloride, PC9627, AKOS007930501, AG-L-24491, MCULE-9437628707, Ethanamine, 2,2-difluoro-, hydrochloride, KB-87255, 2,2-bis(fluoranyl)ethanamine hydrochloride, FT-0666830, Ethanamine,2,2-difluoro-, hydrochloride (9CI), A839733, I05-1735. Product Category: Amines. CAS No. 79667-91-7. Molecular formula: C2H6ClF2N. Mole weight: 117.53. Purity: 0.96. IUPACName: 2,2-difluoroethanamine;hydrochloride. Canonical SMILES: C(C(F)F)N.Cl. Product ID: ACM79667917. Alfa Chemistry ISO 9001:2015 Certified. Categories: 2,2-difluoroethan-1-amine hydrochloride. | |
| 2,2-Difluorohexanoic acid | 2,2-Difluorohexanoic acid. Uses: Designed for use in research and industrial production. Additional or Alternative Names: Hexanoic acid, 2,2-difluoro-. Appearance: Clear colorless liquid. CAS No. 175286-61-0. Molecular formula: C6H10F2O2. Mole weight: 152.13. Purity: 0.99. Product ID: ACM175286610. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2,2-Dihydroxy-4-methoxybenzophenone | 2,2-Dihydroxy-4-methoxybenzophenone. Uses: Designed for use in research and industrial production. Additional or Alternative Names: (2-hydroxy-4-methoxyphenyl)(2-hydroxyphenyl)-methanon;(2-Hydroxy-4-methoxyphenyl)(2-hydroxyphenyl)methanone;(2-hydroxy-4-methoxyphenyl)(2-hydroxyphenyl)-Methanone;2,2'-dihydroxy-4-methoxy-benzophenon;Advastab 47;advastab47;Benzophenone, 2,2-dihydroxy-4-me. Product Category: Polymer/Macromolecule. CAS No. 131-53-3. Molecular formula: C14H12O4. Mole weight: 244.24. Product ID: ACM131533. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2,2'-Dimethoxy-1,1'-binaphthalene | 2,2'-Dimethoxy-1,1'-binaphthalene. Uses: Designed for use in research and industrial production. Additional or Alternative Names: (±)-1,1'-Bi-2-naphthol dimethyl ether, 2,2'-Dimethoxy-1,1'-binaphthyl. Product Category: Ethers. Appearance: Yellow powder. CAS No. 2960-93-2. Molecular formula: C22H18O2. Mole weight: 314.38. Purity: 0.97. IUPACName: 2-methoxy-1-(2-methoxynaphthalen-1-yl)naphthalene. Canonical SMILES: COC1=C(C2=CC=CC=C2C=C1)C3=C(C=CC4=CC=CC=C43)OC. Density: 1.16g/cm³. Product ID: ACM2960932-2. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2,2-Dimethoxyacetaldehyde solution 60 wt. % in h2o | 2,2-Dimethoxyacetaldehyde solution 60 wt. % in h2o. Uses: Designed for use in research and industrial production. Product Category: Alcohols. CAS No. 51673-84-8. Molecular formula: C18H34O3. Mole weight: 104.1. Product ID: ACM51673848. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2,2-Dimethyl-1,3-dioxolane | 2,2-Dimethyl-1,3-dioxolane. Uses: Designed for use in research and industrial production. Product Category: Ortho Esters. CAS No. 2916-31-6. Mole weight: 102.13. Product ID: ACM2916316. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2,2-Dimethyl-1,3-propanediol | 2,2-Dimethyl-1,3-propanediol. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 1,3-Dihydroxy-2,2-dimethylpropane. Product Category: Acetalization Reagents. Appearance: White crystalline solid. CAS No. 126-30-7. Molecular formula: C5H12O2. Mole weight: 104.15. Purity: 0.98. Density: 1.06. Product ID: ACM126307-1. Alfa Chemistry ISO 9001:2015 Certified. Categories: Neopentyl glycol, 2,2-Diethyl-1,3-propanediol. | |
| 2,2-dimethyl-3,3-diphenyl-4,7,10,13-tetraoxa-3-silapentadecan-15-oic acid | 2,2-dimethyl-3,3-diphenyl-4,7,10,13-tetraoxa-3-silapentadecan-15-oic acid. Uses: Designed for use in research and industrial production. Product Category: PROTAC Library. CAS No. 2683008-48-0. Molecular formula: C24H34O6Si. Mole weight: 446.6087. Purity: >98%. Product ID: PR2683008480. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2,2-dimethyl-3,3-diphenyl-4,7,10-trioxa-3-siladodecan-12-oic acid | 2,2-dimethyl-3,3-diphenyl-4,7,10-trioxa-3-siladodecan-12-oic acid. Uses: Designed for use in research and industrial production. Product Category: PROTAC Library. CAS No. 276689-37-3. Molecular formula: C22H30O5Si. Mole weight: 402.5561. Purity: >98%. Product ID: PR276689373. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2,2-Dimethyl-3(3-methyl-2,4-pentadienyl)-oxirane | 2,2-Dimethyl-3(3-methyl-2,4-pentadienyl)-oxirane. Uses: Designed for use in research and industrial production. Additional or Alternative Names: Myroxyde. Appearance: Colorless to little yellow liquid. CAS No. 69103-20-4. Molecular formula: C10H16O. Mole weight: 152.23. Purity: 0.9. Product ID: ACM69103204. Alfa Chemistry ISO 9001:2015 Certified. Categories: (E)-Myroxide. | |
| 2,2-dimethyl-4-nitrobutanoic acid | 2,2-dimethyl-4-nitrobutanoic acid. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 2,2-Dimethyl-3-(nitrooxy)propanoic acid. Product Category: PROTAC Library. CAS No. 130432-36-9. Molecular formula: C5H9NO5. Mole weight: 163.1287. IUPACName: 2,2-dimethyl-3-nitrooxypropanoic acid. Product ID: PR130432369. Alfa Chemistry ISO 9001:2015 Certified. Categories: 2,2-dimethyl-4-nitrobutanoicacid. | |
| 2,2-Dimethylpropyl-4'-(trifluoromethyl)benzoate-2'-boronic acid | 2,2-Dimethylpropyl-4'-(trifluoromethyl)benzoate-2'-boronic acid. Uses: Designed for use in research and industrial production. Product Category: Boronic Acids. CAS No. 204981-49-7. Product ID: ACM204981497. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2,2'-Diselanediyldiethanamine dihydrochloride | 2,2'-Diselanediyldiethanamine dihydrochloride. Uses: Designed for use in research and industrial production. Additional or Alternative Names: Selenocystamine, 2,2-Diselenobisethanamine, NCIStruc1_001814, NCIStruc2_001517, CCRIS 5468, Ethanamine, 2,2-diselenobis-, CID115119, NCGC00014695, NCI308820, NSC308820, NSC-308820, NCGC00097798-01, 2-(2-(2-aminoethyl)diselanyl)ethylamine, NCI60_002642, 2697-61-2, 3542-13-0. Appearance: Yellow or orange powder. CAS No. 3542-13-0. Molecular formula: C4H14Cl2N2Se2. Mole weight: 318.99. Purity: 0.95. IUPACName: 2-(2-aminoethyldiselanyl)ethanamine. Canonical SMILES: C(C[Se][Se]CCN)N.Cl.Cl. Product ID: ACM3542130. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2,2-Dithiodiethanol | 2,2-Dithiodiethanol. Uses: Designed for use in research and industrial production. Additional or Alternative Names: HYDROXYETHYL DISULFIDE;DITHIODIGLYCOL;DI-(2-HYDROXYETHYL) DISULFIDE;BIS(2-HYDROXYETHYL) DISULFIDE;BIS(2-HYDROXYETHYL) DISULPHIDE;2-HYDROXYETHYL DISULFIDE;2,2-DITHIOBISETHANOL;2,2-DITHIODIETHANOL. Product Category: Polymer/Macromolecule. CAS No. 1892-29-1. Molecular formula: C4H10O2S2. Mole weight: 154.25. Product ID: ACM1892291. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2-(2-Ethoxyethoxy)ethyl acrylate | 2-(2-Ethoxyethoxy)ethyl acrylate. Uses: Designed for use in research and industrial production. Additional or Alternative Names: Ethoxyethoxy acrylate. Product Category: Promotional Products. Appearance: liquid. CAS No. 7328-17-8. Molecular formula: C9H16O4. Mole weight: 188.22. Purity: 95+%. Product ID: ACM7328178-3. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2-(2-Ethylhexyloxy)ethanol | 2-(2-Ethylhexyloxy)ethanol. Uses: This product is suitable for scientific research. Additional or Alternative Names: Ethylene glycol 2-ethylhexyl ether. Product Category: Polymer/Macromolecule. CAS No. 1559-35-9. Molecular formula: CH3(CH2)3CH(C2H5)CH2OCH2CH2OH. Mole weight: 174.28. Purity: ≥ 97%. Canonical SMILES: CCCCC(CC)COCCO. Density: 0.892 g/mL at 25 °C (lit.). ECNumber: 216-323-7. Product ID: ACM1559359-1. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2-(2H-Benzothiazol-2-yl)-6-(dodecyl)-4-methylphenol | 2-(2H-Benzothiazol-2-yl)-6-(dodecyl)-4-methylphenol. Uses: Designed for use in research and industrial production. Additional or Alternative Names: UV 571. Appearance: Colorless to Yellow liquid. CAS No. 125304-04-3. Molecular formula: C25H35N3O. Mole weight: 393.6. Purity: 0.95. Product ID: ACM125304043. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2-(2H-Benzotriazol-2-yl)-4-(tert-butyl)-6-(sec-butyl)phenol (technical grade) | 2-(2H-Benzotriazol-2-yl)-4-(tert-butyl)-6-(sec-butyl)phenol (technical grade). Uses: Designed for use in research and industrial production. Additional or Alternative Names: Phenol,2-(2H-benzotriazol-2-yl)-4-(1,1-dimethylethyl)-6-(1-methylpropyl)-. Product Category: Promotional Products. CAS No. 36437-37-3. Purity: Tech. Product ID: ACM36437373. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2-(2-Hydroxy-3,5-di-tert-butylphenyl)-5-chlorobenzotriazole | 2-(2-Hydroxy-3,5-di-tert-butylphenyl)-5-chlorobenzotriazole. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 2-(2'-hydroxy-3',5'-ditertbutylphenyl)-5-chloro-benzotrizole;2-(5-chloro-2h-benzotriazol-2-yl)-4,6-bis(1,1-dimethylethyl)-pheno;4-di-tert-butyl-6-(5-chloro-2h-benzo-triazol-2-;Phenol,2-(5-chloro-2H-benzotriazol-2-yl)-4,6-bis(1,1-dimethylethyl)-;5-CHLORO-2. Product Category: Polymer/Macromolecule. Appearance: Slightly yellowish powder. CAS No. 3864-99-1. Molecular formula: C20H24ClN3O. Mole weight: 357.88. Purity: 0.96. IUPACName: 2,4-ditert-butyl-6-(5-chlorobenzotriazol-2-yl)phenol. Canonical SMILES: CC(C)(C)C1=CC(=C(C(=C1)N2N=C3C=CC(=CC3=N2)Cl)O)C(C)(C)C. Density: 1.26. ECNumber: 223-383-8. Product ID: ACM3864991. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2,2-Iminodibenzoic acid | 2,2-Iminodibenzoic acid. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 2,2'-dicarboxyldiphenylamine;2,2'-diphenylaminedicarboxylicacid;2,2'-iminodi-benzoicaci;n-(o-carboxyphenyl)-anthranilicaci;vanadox;DIPHENYLAMINE-2,2-DICARBOXYLIC ACID;2,2-IMINODIBENZOIC ACID;N-Cinnamoyl-o-tolylhydrorylamine. Product Category: Polymer/Macromolecule. CAS No. 579-92-0. Molecular formula: C14H11NO4. Mole weight: 257.24. Product ID: ACM579920. Alfa Chemistry ISO 9001:2015 Certified. Categories: 2,2'-Iminodibenzoic acid. | |
| 2-(2-iodoethoxy)ethyl benzoate | 2-(2-iodoethoxy)ethyl benzoate. Uses: Designed for use in research and industrial production. Additional or Alternative Names: Ethanol, 2-(2-iodoethoxy)-, 1-benzoate. Product Category: PROTAC Library. CAS No. 871026-03-8. Molecular formula: C11H13IO3. Mole weight: 320.1236. Product ID: PR871026038. Alfa Chemistry ISO 9001:2015 Certified. Categories: SCHEMBL2747308. | |
| 2-(2'-Methacryloxy-5'-methylphenyl)benzotriazole | 2-(2'-Methacryloxy-5'-methylphenyl)benzotriazole. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 2-(2'-METHACRYLOXY-5'-METHYLPHENYL)BENZOTRIAZOLE. Product Category: Polymer/Macromolecule. CAS No. 188680-81-1. Molecular formula: C17H15N3O2. Mole weight: 293.3. Product ID: ACM188680811. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2-(2-Methoxyethoxy)ethyl chloride | 2-(2-Methoxyethoxy)ethyl chloride. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 1-chloro-2-(2-methoxyethoxy)ethane;2-(2-METHOXYETHOXY)ETHYL CHLORIDE;1-(2-Chloroethoxy)-2-methoxyethane;2-Chloroethyl 2-methoxyethyl ether;2-(2-chloroethoxy)ethyl methyl ether. CAS No. 52808-36-3. Molecular formula: C5H11ClO2. Mole weight: 138.59. Purity: 0.98. IUPACName: 1-(2-chloroethoxy)-2-methoxyethane. Canonical SMILES: COCCOCCCl. Density: 1.025g/cm³. Product ID: ACM52808363. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2-(2-Methoxyethoxy)ethyl methacrylate | 2-(2-Methoxyethoxy)ethyl methacrylate. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 2-methyl-2-propenoicaci2-(2-methoxyethoxy)ethylester;2-Propenoicacid,2-methyl-,2-(2-methoxyethoxy)ethylester;2-(2-METHOXYETHOXY)ETHYL METHACRYLATE;DI(ETHYLENE GLYCOL) METHYL ETHER METHACRYLATE;DIETHYLENE GLYCOL MONOMETHYL ETHER METHACRYLATE;METHACRYLIC AC. Product Category: Polymer/Macromolecule. CAS No. 45103-58-0. Molecular formula: C9H16O4. Mole weight: 188.22. Density: 1.02 g/mL at 25°C(lit.). Product ID: ACM45103580. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2,2-Methylenebis(6-tert-butyl-4-methylphenol) | 2,2-Methylenebis(6-tert-butyl-4-methylphenol). Uses: Designed for use in research and industrial production. Additional or Alternative Names: 2,2'-bis;2,2'-bis(6-t-butyl-p-cresyl)-methan;2,2'-bis(6-t-butyl-p-cresyl)-methane;2,2'-bis-6-terc.butyl-p-kresylmethan;2,2'-bis-6-terc.butyl-p-kresylmethan(czech);2,2'-methylenebis(6-(1,1-dimethylethyl)-4-methyl-pheno;2,2'-methylenebis(6-tert-butyl-p-cres. Product Category: Polymer/Macromolecule. Appearance: White to pale creamy crystalline powder. CAS No. 119-47-1. Molecular formula: C23H32O2. Mole weight: 340.5. Purity: >99.0%(GC). Density: 1.04 g/cm³. ECNumber: 204-327-1. Product ID: ACM119471. Alfa Chemistry ISO 9001:2015 Certified. Categories: Antioxidant 2246. | |
| 2,2'-(Octadec-9-enylimino)bisethanol | 2,2'-(Octadec-9-enylimino)bisethanol. Uses: Designed for use in research and industrial production. CAS No. 25307-17-9. Purity: 0.95. Product ID: ACM25307179-1. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2-(2-Oxopyrrolidin-1-yl)ethyl Acrylate (stabilized with MEHQ) | 2-(2-Oxopyrrolidin-1-yl)ethyl Acrylate (stabilized with MEHQ). Uses: Designed for use in research and industrial production. Additional or Alternative Names: 2-(2-Oxo-1-pyrrolidinyl)ethyl Acrylate (stabilized with MEHQ); 2-(2-Oxo-1-pyrrolidinyl)ethyl 2-Propenoate (stabilized with MEHQ); N-(2-Acryloyloxyethyl)pyrrolidone (stabilized with MEHQ). Product Category: Acrylate Monomers. Appearance: Colorless to Light Yellow Clear Liquid. CAS No. 3541-31-9. Molecular formula: C9H13NO3. Mole weight: 183.21 g/mol. Purity: 97.0%(GC). Product ID: ACM-MO-3541319. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2-(2-(((S)-1-((2S,4R)-4-hydroxy-2-((4-(4-methylthiazol-5-yl)benzyl)carbamoyl)pyrrolidin-1-yl)-3,3-dimethyl-1-oxobutan-2-yl)amino)-2-oxoethoxy)acetic acid | 2-(2-(((S)-1-((2S,4R)-4-hydroxy-2-((4-(4-methylthiazol-5-yl)benzyl)carbamoyl)pyrrolidin-1-yl)-3,3-dimethyl-1-oxobutan-2-yl)amino)-2-oxoethoxy)acetic acid. Uses: Designed for use in research and industrial production. Product Category: E3 Ligase Ligand-Linker. CAS No. 2225940-55-4. Molecular formula: C26H34N4O7S. Mole weight: 546.6357. Purity: 0.95. IUPACName: 2-[2-[[(2S)-1-[(2S,4R)-4-hydroxy-2-[[4-(4-methyl-1,3-thiazol-5-yl)phenyl]methylcarbamoyl]pyrrolidin-1-yl]-3,3-dimethyl-1-oxobutan-2-yl]amino]-2-oxoethoxy]acetic acid. Product ID: PR2225940554. Alfa Chemistry ISO 9001:2015 Certified. | |
| 2-(2-(tert-butoxy)-2-oxoethoxy)acetic acid | 2-(2-(tert-butoxy)-2-oxoethoxy)acetic acid. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 2-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethoxy]acetic acid. Product Category: PROTAC Library. CAS No. 120289-22-7. Molecular formula: C8H14O5. Mole weight: 190.1938. Purity: 0.95. IUPACName: 2-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethoxy]acetic acid. Product ID: PR120289227. Alfa Chemistry ISO 9001:2015 Certified. Categories: 2-[2-(tert-butoxy)-2-oxoethoxy]acetic acid. | |
Would you like to list your products on USA Chemical Suppliers?
Our database is helping our users find suppliers everyday.