A directory of where to buy chemicals in the USA, including: distributors, industrial manufacturers, bulk supplies and wholesalers of raw ingredients & finished goods.
Acetyl-DL-proline. Group: Biochemicals. Alternative Names: Ac-DL-Pro-OH; (RS)-Acetyl-pyrrolidine-2-carboxylic acid. Grades: Highly Purified. CAS No. 1074-79-9. Pack Sizes: 5g, 10g, 25g, 50g, 100g. US Biological Life Sciences.
Worldwide
Acetyl-DL-proline 99.5+% (HPLC)
Acetyl-DL-proline 99.5+% (HPLC). Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 5g, 25g, 100g. US Biological Life Sciences.
Worldwide
Acetyl-DL-proline ethyl ester
Acetyl-DL-proline ethyl ester. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 2g, 5g, 10g, 25g. US Biological Life Sciences.
Worldwide
Acetyl-DL-propargylglycine ethyl ester
Precursor of tritiated norleucine. Synonyms: Ac-DL-propargyl-Gly-OEt; Ac-DL-Pra-OEt; Ac-dl-pra-oet; ethyl 2-acetamidopent-4-ynoate; 2-(acetylamino)-4-pentynoic acid ethyl ester; Ac-propargyl-DL-Gly-OEt; (RS)-2-Acetylamino-4-pentynoic acid-ethyl ester; Ac-DL-Gly(Propargyl)-OEt; Ethyl 2-(acetylamino)-4-pentynoate; Ac DL Pra OEt. Grade: ≥ 99% (Assay by titration on dried basis). CAS No. 23235-05-4. Molecular formula: C9H13NO3. Mole weight: 183.21.
Acetyl-DL-propargylglycine ethyl ester
Acetyl-DL-propargylglycine ethyl ester. Group: Biochemicals. Alternative Names: Ac-DL-propargyl-Gly-OEt; Ac-DL-Pra-OEt. Grades: Highly Purified. CAS No. 23235-05-4. Pack Sizes: 500mg, 1g, 2g, 5g, 10g. US Biological Life Sciences.
Worldwide
Acetyl-DL-propargylglycine ethyl ester98+%
Acetyl-DL-propargylglycine ethyl ester98+%. Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 1g, 5g, 25g. US Biological Life Sciences.
Worldwide
Acetyl-DL-valine
Acetyl-DL-valine. Group: Biochemicals. Alternative Names: Ac-DL-Val-OH. Grades: Highly Purified. CAS No. 3067-19-4,17916-88-0. Pack Sizes: 100g, 250g. US Biological Life Sciences.
Worldwide
Acetyl-DL-valine
An acetyl derivative of valine, a branched-chain essential amino acid involved in some plants. Synonyms: Ac-DL-Val-OH; 2-Acetamido-3-methylbutanoic acid; N-acetylvaline. Grade: ≥ 98% (HPLC). CAS No. 3067-19-4. Molecular formula: C7H13NO3. Mole weight: 159.20.
Acetyl-DL-valine 99+%
Acetyl-DL-valine 99+%. Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 25g, 100g, 250g. US Biological Life Sciences.
Worldwide
Acetyl-D-methionine
Acetyl-D-methionine. Group: Biochemicals. Alternative Names: Ac-D-Met-OH. Grades: Highly Purified. CAS No. 1509-92-8. Pack Sizes: 5g, 10g, 25g, 50g, 100g. US Biological Life Sciences.
Acetyl-(d-trp1,4-chloro-D-phe2,d-trp3,d-arg6,d-ala10)-lhrh. Uses: Designed for use in research and industrial production. Additional or Alternative Names: LHRH, N-Ac-Trp(1)-(4-Cl-Phe)(2)-Trp(3)-Arg(6)-Ala(10)-;Ac-D-Trp-4-chloro-D-Phe-D-Trp-Ser-Tyr-D-Arg-Leu-Arg-Pro-D-Ala-NH2;ACETYL-(D-TRP1,4-CHLORO-D-PHE2,D-TRP3,D-ARG6,D-ALA10)-LHRH. Product Category: Heterocyclic Organic Compound. CAS No. 86044-76-0. Molecular formula: C71H94ClN19O13. Mole weight: 1457.1. Purity: 0.96. IUPACName: Actcaa-LHRH. Canonical SMILES: CC(C)CC(C(=O)NC(CCCNC(=N)N)C(=O)N1CCCC1C(=O)NC(C)C(=O)N)NC(=O)C(CCCNC(=N)N)NC(=O)C(CC2=CC=C(C=C2)O)NC(=O)C(CO)NC(=O)C(CC3=CNC4=CC=CC=C43)NC(=O)C(CC5=CC=C(C=C5)Cl)NC(=O)C(CC6=CNC7=CC=CC=C76)NC(=O)C. Product ID: ACM86044760. Alfa Chemistry ISO 9001:2015 Certified.
The reaction is effectively irreversible, favouring oxopropanoate (malonic semialdehyde) and its tautomers. Also acts on but-3-ynoate forming acetoacetate. The mechanism appears to involve hydration of the acetylene to 3-hydroxypropenoate, which will spontaneously tautomerize to 3-oxopropanoate. It is thus analogous to EC 4.1.1.78, acetylenedicarboxylate decarboxylase, in its mechanism. Group: Enzymes. Synonyms: acetylenemonocarboxylate hydratase; alkynoate hydratase; acetylenemonocarboxylate hydrase; acetylenemonocarboxylic acid hydrase; malonate-semialdehyde dehydratase; 3-oxopropanoate hydro-lyase. Enzyme Commission Number: EC 4.2.1.27. CAS No. 9024-26-4. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-5018; acetylenecarboxylate hydratase; EC 4.2.1.27; 9024-26-4; acetylenemonocarboxylate hydratase; alkynoate hydratase; acetylenemonocarboxylate hydrase; acetylenemonocarboxylic acid hydrase; malonate-semialdehyde dehydratase; 3-oxopropanoate hydro-lyase. Cat No: EXWM-5018.
acetylenedicarboxylate decarboxylase
The mechanism appears to involve hydration of the acetylene and decarboxylation of the oxaloacetic acid formed, although free oxaloacetate is not an intermediate. It is thus analogous to EC 4.2.1.27 (acetylenecarboxylate hydratase) in its mechanism. Group: Enzymes. Synonyms: acetylenedicarboxylate hydratase; acetylenedicarboxylate hydrase; acetylenedicarboxylate carboxy-lyase. Enzyme Commission Number: EC 4.1.1.78. CAS No. 72561-10-5. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-4826; acetylenedicarboxylate decarboxylase; EC 4.1.1.78; 72561-10-5; acetylenedicarboxylate hydratase; acetylenedicarboxylate hydrase; acetylenedicarboxylate carboxy-lyase. Cat No: EXWM-4826.
Acetylenedicarboxylic acid
Acetylenedicarboxylic acid. Group: Biochemicals. Grades: Highly Purified. CAS No. 142-45-0. Pack Sizes: 10g, 25g, 50g, 100g, 250g. Molecular Formula: C4H2O4. US Biological Life Sciences.
This is a non-redox-active enzyme that contains two molybdopterin guanine dinucleotide (MGD) cofactors, a tungsten centre and a cubane type [4Fe-4S] cluster.The tungsten centre binds a water molecule that is activated by an adjacent aspartate residue, enabling it to attack acetylene bound in a distinct hydrophobic pocket. Ethylene cannot act as a substrate. Group: Enzymes. Synonyms: AH; acetaldehyde hydro-lyase. Enzyme Commission Number: EC 4.2.1.112. CAS No. 75788-81-7. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-4952; acetylene hydratase; EC 4.2.1.112; 75788-81-7; AH; acetaldehyde hydro-lyase. Cat No: EXWM-4952.
Acetylene-linker-Val-Cit-PABC-MMAE
Acetylene-linker-Val-Cit-PABC-MMAE consists the ADCs linker (Acetylene-linker-Val-Cit-PABC) and potent tubulin inhibitor (MMAE), Acetylene-linker-Val-Cit-PABC-MMAE is an antibody drug conjugate. Synonyms: LCB14-0602. Grade: >98.0%. CAS No. 1411977-95-1. Molecular formula: C67H106N10O16. Mole weight: 1307.62.
acetylesterase
This enzyme belongs to the family of hydrolases, specifically those acting on carboxylic ester bonds. Group: Enzymes. Synonyms: C-esterase (in animal tissues); acetic ester hydrolase; chloroesterase; p-nitrophenyl acetate esterase; Citrus acetylesterase. Enzyme Commission Number: EC 3.1.1.6. CAS No. 9000-82-2. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-3488; acetylesterase; EC 3.1.1.6; 9000-82-2; C-esterase (in animal tissues); acetic ester hydrolase; chloroesterase; p-nitrophenyl acetate esterase; Citrus acetylesterase. Cat No: EXWM-3488.
Acetyleugenol
reference material. Group: Flavor and fragrance standards.
Acetyl-Exenatide
Acetyl-Exenatide is a potential impurity of exenatide. Synonyms: Acetyl-Exendin-4; Ac-His-Gly-Glu-Gly-Thr-Phe-Thr-Ser-Asp-Leu-Ser-Lys-Gln-Met-Glu-Glu-Glu-Ala-Val-Arg-Leu-Phe-Ile-Glu-Trp-Leu-Lys-Asn-Gly-Gly-Pro-Ser-Ser-Gly-Ala-Pro-Pro-Pro-Ser-NH2. Grade: ≥95%. CAS No. 305815-28-5. Molecular formula: C186H284N50O61S. Mole weight: 4228.67.
Acetyl fentanyl-13C6 solution
100 ?g/mL in methanol, ampule of 1 mL, certified reference material. Group: Opiates / synthetic analgesic drug standards.
Acetylfluoride,2,2-difluoro-2-[1,1,2,2-tetrafluoro-2-(1,1,2,2,3,3,4,4,4-nonafluorobutoxy)ethoxy]-. Uses: Designed for use in research and industrial production. Additional or Alternative Names: PERFLUOROBUTOXYETHOXYACETYL FLUORIDE 98;Perfluorobutoxyethoxyacetyl fluoride 98%. Product Category: Heterocyclic Organic Compound. CAS No. 172897-75-5. Molecular formula: C8F16O3. Mole weight: 448.053. Purity: 0.96. IUPACName: 2,2-difluoro-2-[1,1,2,2-tetrafluoro-2-(1,1,2,2,3,3,4,4,4-nonafluorobutoxy)ethoxy]acetylfluoride. Canonical SMILES: C(=O)(C(OC(C(OC(C(C(C(F)(F)F)(F)F)(F)F)(F)F)(F)F)(F)F)(F)F)F. Product ID: ACM172897755. Alfa Chemistry ISO 9001:2015 Certified.
The product of the enzyme is known as core 3, one of the eight core structures of mucin-type O-glycans. O-Linked glycans are polysaccharides or oligosaccharides that are linked to a protein via the oxygen atom in the side chain of an L-serine or L-threonine residue.
The product of the enzyme is known as core 3, one of the eight core structures of mucin-type O-glycans. O-Linked glycans are polysaccharides or oligosaccharides that are linked to a protein via the oxygen atom in the side chain of an L-serine or L-threonine residue. Group: Enzymes. Synonyms: O-glycosyl-oligosaccharide-glycoprotein N-acetylglucosaminyltransferase III; uridine diphosphoacetylglucosamine-mucin β(1?3)-acetylglucosaminyltransferase; mucin core 3 &be. Enzyme Commission Number: EC 2.4.1.147. CAS No. 87927-96-6. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-2373; acetylgalactosaminyl-O-glycosyl-glycoprotein β-1,3-N-acetylglucosaminyltransferase; EC 2.4.1.147; 87927-96-6; O-glycosyl-oligosaccharide-glycoprotein N-acetylglucosaminyltransferase III; uridine diphosphoacetylglucosamine-mucin β(1?3)-acetylglucosaminyltransferase; mucin core 3 β3-GlcNAc-transferase; Core 3β-GlcNAc-transferase; UDP-N-acetyl-D-glucosamine:O-glycosyl-glycoprotein (N-acetyl-D-glucosamine to N-acetyl-D-galactosaminyl-R) β-1,3-N-acetyl-D-glucosaminyltransferase; UDP-N-acetyl-D-glucosamine:N-acetyl-β-D-galactosaminyl-R 3-β-N-acetyl-D-glucosaminyltransferase (incorrect). Cat No: EXWM-2373.