A directory of where to buy chemicals in the USA, including: distributors, industrial manufacturers, bulk supplies and wholesalers of raw ingredients & finished goods.
Fluorene is a white leaflets. Sublimes easily under a vacuum. Fluorescent when impure. (NTP, 1992). Group: other material building blocks. CAS No. 86-73-7. Product ID: 9H-fluorene. Molecular formula: 166.22g/mol. Mole weight: C13H10. C1C2=CC=CC=C2C3=CC=CC=C31. InChI=1S/C13H10/c1-3-7-12-10 (5-1)9-11-6-2-4-8-13 (11)12/h1-8H, 9H2. NIHNNTQXNPWCJQ-UHFFFAOYSA-N.
Fluorene, Zone Refined (number of passes:70)
Fluorene is a white leaflets. Sublimes easily under a vacuum. Fluorescent when impure. (NTP, 1992). Group: Electroluminescence materials. CAS No. 86-73-7. Product ID: 9H-fluorene. Molecular formula: 166.22g/mol. Mole weight: C13H10. C1C2=CC=CC=C2C3=CC=CC=C31. InChI=1S/C13H10/c1-3-7-12-10 (5-1)9-11-6-2-4-8-13 (11)12/h1-8H, 9H2. NIHNNTQXNPWCJQ-UHFFFAOYSA-N.
Fluorenone
9H-fluoren-9-one is a biochemical reagent that can be used as a biological material or organic compound for life science related research. Uses: Scientific research. Group: Biochemical assay reagents. CAS No. 486-25-9. Pack Sizes: 25 g. Product ID: HY-32181.
Fluorescamine
Fluorescamine. Group: Biochemicals. Alternative Names: 4-Phenylspiro-[furan-2(3H),1-phthalan]-3,3'-dione. Grades: Highly Purified. CAS No. 38183-12-9. Pack Sizes: 250mg, 500mg, 1g, 2g, 5g. Molecular Formula: C17H10O4. US Biological Life Sciences.
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Fluorescamine
Fluorescamine. Uses: Designed for use in research and industrial production. Product Category: Other Fluorophores. Appearance: Off-white to yellow powder. CAS No. 38183-12-9. Molecular formula: C17H10O4. Mole weight: 278.26. Purity: 95%+. IUPACName: 4'-phenylspiro[2-benzofuran-3,2'-furan]-1,3'-dione. Canonical SMILES: C1=CC=C(C=C1)C2=COC3(C2=O)C4=CC=CC=C4C(=O)O3. Density: 1.2661 g/ml. Product ID: ACM38183129-1. Alfa Chemistry ISO 9001:2015 Certified.
Fluorescamine (Ro 20-7234) is a spirocyclic compound with no fluorescent properties. It can react with primary amines and form fluorescence, so it is used to detect amines and peptides. Uses: Scientific research. Group: Fluorescent dye. Alternative Names: Ro 20-7234. CAS No. 38183-12-9. Pack Sizes: 10 mM * 1 mL; 10 mg; 50 mg; 100 mg; 500 mg; 1 g. Product ID: HY-D0715.
Fluorescamine
100mg Pack Size. Group: Amines, Ligands, Stains & Indicators. Formula: C17H10O4. CAS No. 38183-12-9. Prepack ID 57916662-100mg. Molecular Weight 278.26. See USA prepack pricing.
Fluorescamine
?98% (TLC), powder, used for detection of primary amines. Group: Fluorescence/luminescence spectroscopy.
Fluorescein
Fluorescein. Group: Biochemicals. Alternative Names: 3', 6'-Dihydroxyspiro [isobenzofuran-1 (3H) , 9'- [9H]xanthen]-3-one; 3',6'-Fluorandiol; 3, 6-Dihydroxyspiro [xanthene-9, 3'-phthalide]. Grades: Highly Purified. CAS No. 2321-7-5. Pack Sizes: 100g, 250g, 500g, 1kg, 2kg. Molecular Formula: C20H12O5. US Biological Life Sciences.
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Fluorescein
100g Pack Size. Group: Stains & Indicators. Formula: C20H12O5. CAS No. 2321-7-5. Prepack ID 36797905-100g. Molecular Weight 332.31. See USA prepack pricing.
Fluorescein
500g Pack Size. Group: Stains & Indicators. Formula: C20H12O5. CAS No. 2321-7-5. Prepack ID 36797905-500g. Molecular Weight 332.31. See USA prepack pricing.
Fluorescein
Alfa Chemistry offers Fluorescein products for various research purposes. Please contact us by email if you do not find the specification you are looking for on this page. Uses: Applications of xanthene dyes involve optical materials and organic dyes for medical diagnosis research. several characteristic features of xanthene dyes are large absorption and luminescence, excellent light resistance, low toxicity in-vivo, and relatively high solubility in water. Group: Xanthene dyes. Alternative Names: Acid Yellow 73. CAS No. 2321-7-5. Product ID: 3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one. Molecular formula: 332.31. Mole weight: C20H12O5. C1=CC=C2C (=C1)C (=O)OC23C4=C (C=C (C=C4)O)OC5=C3C=CC (=C5)O. InChI=1S/C20H12O5/c21-11-5-7-15-17 (9-11)24-18-10-12 (22)6-8-16 (18)20 (15)14-4-2-1-3-13 (14)19 (23)25-20/h1-10, 21-22H. GNBHRKFJIUUOQI-UHFFFAOYSA-N.
Fluorescein
United States Pharmacopeia (USP) Reference Standard. Group: Pharmacopeia & metrological institutes standardseuropean pharmacopoeia (ph. eur.)pharmacopoeial standards. Alternative Names: Fluorescein, 3',6'-Dihydroxy-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one.
Fluorescein
Fluorescein (Uranine) is widely used as a fluorescent tracer in medicinal and biological applications and tumor infected tissues tracer. Fluorescein (Uranine) is a representative green fluorophore that has been widely used as a scaffold of practically useful green fluorescent probes [1] [2]. Uses: Scientific research. Group: Fluorescent dye. Alternative Names: Uranine. CAS No. 2321-7-5. Pack Sizes: 10 mM * 1 mL; 250 mg; 1 g; 5 g. Product ID: HY-D0251.
Fluorescein
United States Pharmacopeia (USP) Reference Standard. Uses: For analytical and research use. Group: Pharmacopeia & metrological institutes standards; european pharmacopoeia (ph. eur.); pharmacopoeial standards. Alternative Names: Fluorescein, 3',6'-Dihydroxy-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one. CAS No. 2321-7-5. Pack Sizes: 200MG. IUPAC Name: 3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one. Molecular formula: C20H12O5. Mole weight: 332.31. Catalog: APS2321075. SMILES: Oc1ccc2c(Oc3cc(O)ccc3C24OC(=O)c5ccccc45)c1. Format: Neat. Shipping: Room Temperature.
Fluorescein-12-dATP
Fluorescein-12-dATP is an illustrious fluorescent analogue of deoxyadenosine triphosphate, proving instrumental in an array of biomedical methodologies encompassing DNA sequencing, labeling and detection. This product facilitates meticulous visualization and discernment of DNA molecules and their intricate interplays, thereby serving as an invaluable instrument in the realm of genomic research, encompassing DNA sequencing, polymerase chain reaction (PCR) and genotyping endeavors. Synonyms: Fluorescein-X-7-Deaza-7-propargylamino-dATP; 5/6-Fluorescein-X-7-deaza-7-propargylamino-2'-deoxyadenosine-5'-triphosphate, Triethylammonium salt. Grades: ≥ 95 % by HPLC. Molecular formula: C41H41N6O19P3(free acid). Mole weight: 1014.72 (free acid).
Fluorescein-12-dCTP
Fluorescein-12-dCTP is a fluorescent nucleotide analog widely used in biomedical field. This product is commonly employed in DNA labeling and detection techniques, such as DNA microarrays and fluorescence in situ hybridization (FISH). It enables the visualization and tracking of specific DNA sequences is assisting in the research of genetic disorders and diseases. Synonyms: Fluorescein-X-5-Propargylamino-dCTP; 5/6-Fluorescein-X-5-propargylamino-2'-deoxycytidine-5'-triphosphate, Triethylammonium salt. Grades: ≥ 95 % by HPLC. Molecular formula: C39H40N5O20P3. Mole weight: 991.68.
Fluorescein-12-dUTP
Fluorescein-12-dUTP is a pivotal instrument employed in the realm of biomedical research, serving as an impeccably precise enquirer for the intricate realm of DNA fragmentation and the discernment of apoptosis. It is extensively harnessed as a propitious catalyst within the domain of molecular biology methodologies, including fluorescence in situ hybridization (FISH) and polymerase chain reaction (PCR)y. Synonyms: Fluorescein-X-5-Aminoallyl-dUTP; 5/6-Fluorescein-X-5-aminoallyl-2'-deoxyuridine-5'-triphosphate, Triethylammonium salt. Grades: ≥ 95 % by HPLC. Molecular formula: C39H41N4O21P3(free acid). Mole weight: 994.69 (free acid).
Fluorescein-12-UTP
Fluorescein-12-UTP is a vital tool used in biomedical field for the detection and imaging of RNA molecules. This fluorescent nucleotide analog incorporates into RNA during transcription is allowing for the visualization and tracking of RNA synthesand localization. With its distinct fluorescence, Fluorescein-12-UTP is valuable for research in molecular biology, gene expression analysis and the study of RNA-based diseases like cancer and viral infections. Synonyms: Fluorescein-X-5-Aminoallyl-UTP; 5/6-Fluorescein-X-5-aminoallyl-uridine-5'-triphosphate, Triethylammonium salt. Grades: ≥ 95 % by HPLC. Molecular formula: C39H41N4O22P3(free acid). Mole weight: 1010.68 (free acid).
Fluorescein-4',5'-bis(methyliminodiacetic acid)
Fluorescein-4',5'-bis(methyliminodiacetic acid). Uses: Designed for use in research and industrial production. Additional or Alternative Names: Calcein tetraethyl acid. Product Category: Fluorescein Fluorophores. CAS No. 207124-64-9. Molecular formula: C30H26N2O13. Mole weight: 622.54. Product ID: ACM207124649. Alfa Chemistry ISO 9001:2015 Certified.
Fluorescein-5(6)-carboxamidocaproyl-(5-[3-aminoallyl]uridine 5'-triphosphate) is a vital tool, commonly utilized for fluorescent labeling in DNA or RNA sequencing, microarray analysis and polymerase chain reactions (PCR). Its unique properties facilitate precise tracking and detection of nucleic acids is aiding in the understanding of genetic diseases and pharmaceutical research. Uses: Anticoagulants, chelating agents. Synonyms: Fluorescein-12-UTP; Fluorescein-X-5-Aminoallyl-UTP. Grades: ≥ 95% (HPLC). CAS No. 134367-01-4. Molecular formula: C39H41N4O22P3. Mole weight: 1010.68.
Fluorescence/Luminescence Spectroscopy. Uses: For analytical and research use. Group: Reagents. CAS No. 27072-45-3. Pack Sizes: 100MG.
Fluorescein 5-maleimide
Fluorescein 5-maleimide. Group: Biochemicals. Alternative Names: 1-(3',6'-Dihydroxy-3-oxospiro[isobenzofuran-1(3H),9'-[9H]xanthen]-5-yl)-1H-pyrrole-2,5-dione. Grades: Highly Purified. CAS No. 75350-46-8. Pack Sizes: 1mg, 2mg, 5mg, 10mg, 25mg. Molecular Formula: C24H13NO7. US Biological Life Sciences.
Worldwide
Fluorescein-5-maleimide
Fluorescein-5-maleimide. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 1-(3',6'-Dihydroxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthen]-5-yl)-1H-pyrrole-2,5-dione. Product Category: Fluorescein Fluorophores. Appearance: Yellow powder. CAS No. 75350-46-8. Molecular formula: C24H13NO7. Mole weight: 427.36. Purity: 95%+. IUPACName: 1-(3',6'-dihydroxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-5-yl)pyrrole-2,5-dione. Product ID: ACM75350468-1. Alfa Chemistry ISO 9001:2015 Certified.
Fluorescein-5-thiosemicarbazide
suitable for fluorescence, ~80% (HPCE). Group: Fluorescence/luminescence spectroscopy.
Fluorescein-5-thiosemicarbazide HCl
Fluorescein-5-thiosemicarbazide HCl. Group: Biochemicals. Grades: Highly Purified. CAS No. 76863-28-0. Pack Sizes: 10mg, 25mg, 50mg, 100mg, 250mg. Molecular Formula: C21H15N3O5S·HCl. US Biological Life Sciences.
Fluorescein-6-carbonyl-Asp(OMe)-Glu(OMe)-Val-DL-Asp(OMe)-fluoromethylketone is a cell-permeable and non-toxic inhibitor that binds irreversibly to activated caspase-3 in apoptotic cells. Synonyms: 6-FAM-D(OMe)E(OMe)VD(OMe)-FMK; L-Valinamide, N-[(3',6'-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9'-[9H]xanthen]-6-yl)carbonyl]-L-α-aspartyl-L-α-glutamyl-N-[1-(2-fluoroacetyl)-3-methoxy-3-oxopropyl]-, 1,2-dimethyl ester; Methyl (8S,11S,14S)-14-{[(3',6'-dihydroxy-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthen]-6-yl)carbonyl]amino}-5-(fluoroacetyl)-8-isopropyl-11-(3-methoxy-3-oxopropyl)-3,7,10,13-tetraoxo-2-oxa-6,9,12-triazahexadecan-16-oate. Grades: ≥95%. CAS No. 1926163-65-6. Molecular formula: C43H45FN4O16. Mole weight: 892.83.
Fluorescein-6-carbonyl-Tyr-Val-Ala-DL-Asp(OMe)-fluoromethylketone is an inhibitor of caspase-1. Synonyms: 6-FAM-YVAD(OMe)-FMK; L-Alaninamide, N-[(3',6'-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9'-[9H]xanthen]-6-yl)carbonyl]-L-tyrosyl-L-valyl-N-[1-(2-fluoroacetyl)-3-methoxy-3-oxopropyl]-; N-[(3',6'-Dihydroxy-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthen]-6-yl)carbonyl]-L-tyrosyl-L-valyl-N-(5-fluoro-1-methoxy-1,4-dioxo-3-pentanyl)-L-alaninamide. Grades: ≥90%. CAS No. 1926163-69-0. Molecular formula: C44H43FN4O13. Mole weight: 854.84.
Fluorescein-6-iodoacetamide
Fluorescein-6-iodoacetamide. Group: Biochemicals. Grades: Highly Purified. CAS No. 73264-12-7. Pack Sizes: 25mg, 50mg. US Biological Life Sciences.
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Fluorescein 6-isothiocyanate
Fluorescein 6-isothiocyanate. Group: Biochemicals. Alternative Names: 2-(6-Hydroxy-3-oxo-3H-xanthen-9-yl)-4-isothiocyanato-benzoic acid. Grades: Highly Purified. CAS No. 3012-71-3. Pack Sizes: 50mg, 100mg, 250mg, 500mg, 1g. US Biological Life Sciences.
Worldwide
Fluorescein-6-isothiocyanate
Fluorescein-6-isothiocyanate is a fluorescent isomeric haptenic probes with K d s of 8.74, 2.72 and 1.88 for N-Acetyl-L-Lysine, normal mouse IgG and 4-4-20, respectively [1]. Uses: Scientific research. Group: Fluorescent dye. CAS No. 18861-78-4. Pack Sizes: 100 mg. Product ID: HY-136957.
Fluorescein-6-isothiocyanate
Fluorescein-6-isothiocyanate. Uses: Designed for use in research and industrial production. Additional or Alternative Names: Fluorescein-6-isothiocyanate;Fluorescein 6-isothiocyanate, isomer 2. Product Category: Heterocyclic Organic Compound. CAS No. 18861-78-4. Molecular formula: C21H11NO5S. Mole weight: 389.38. Density: 1.54g/cm³. Product ID: ACM18861784. Alfa Chemistry ISO 9001:2015 Certified. Categories: Fluorescein-5-isothiocyanate.
Fluorescein 6-maleimide
Fluorescein 6-maleimide. Group: Biochemicals. Alternative Names: 1-(3',6'-Dihydroxy-3-oxospiro[isobenzofuran-1(3H),9'-[9H]xanthen]-6-yl)-1H-pyrrole-2,5-dione. Grades: Highly Purified. CAS No. 161598-40-9. Pack Sizes: 2mg, 5mg, 10mg, 25mg, 50mg. Molecular Formula: C24H13NO7. US Biological Life Sciences.
Worldwide
Fluorescein 99+% (Dye content)
Fluorescein 99+% (Dye content). Group: Biochemicals. Alternative Names: CI 45350; Acid yellow 73; Resorcinol phthalein. Grades: Reagent Grade. Pack Sizes: 100g, 250g, 25g, 1Kg. US Biological Life Sciences.
Fluorescein alkynylamino-atp. Uses: Designed for use in research and industrial production. Additional or Alternative Names: N-[6-[[3-[4-Amino-7-[5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-ribofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-5-yl]-2-propynyl]amino]-6-oxohexyl]-3',6'-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9'-[9H]xanthene]-ar-carboxamide. Product Category: Heterocyclic Organic Compound. CAS No. 185971-89-5. Molecular formula: C41H41N6O20P3. Mole weight: 1030.71. Purity: 0.96. IUPACName: [[(2R,3R,4S,5R)-5-[4-amino-5-[3-[6-[(3,6-dihydroxy-3-oxospiro[2-benzofuran-1,9-xanthene]-5-carbonyl)amino]hexanoylamino]prop-1-ynyl]pyrrolo[2,3-d]pyrimidin-7-yl]-3,4-dihydroxyoxolan-2-yl]methoxy-hydroxyphosphoryl] phosphono hydrogen phosphate. Canonical SMILES: C1=CC2=C(C=C1C(=O)NCCCCCC(=O)NCC#CC3=CN(C4=C3C(=NC=N4)N)C5C(C(C(O5)COP(=O)(O)OP(=O)(O)OP(=O)(O)O)O)O)C(=O)OC26C7=C(C=C(C=C7)O)OC8=C6C=CC(=C8)O. Product ID: ACM185971895. Alfa Chemistry ISO 9001:2015 Certified.
Fluorescein Biotin is used as an alternative to radioactive biotin for detecting and quantitating biotin-binding sites by either fluorescence or absorbance; the the fluorescence or absorbance of Fluorescein Biotin is quenched, upon binding to avidin or streptavidin. Uses: Scientific research. Group: Fluorescent dye. CAS No. 134759-22-1. Pack Sizes: 5 mg; 10 mg. Product ID: HY-D1030.
Fluorescein-cadaverine dihydrochloride
Fluorescein-cadaverine dihydrochloride. Group: Biochemicals. Alternative Names: N-(5-Aminopentyl)-N'-(3',6'-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9'-[9H]xanthen]-5-yl)thiourea dihydrobromide. Grades: Highly Purified. CAS No. 786705-84-8,87328-05-0. Pack Sizes: 25mg, 50mg, 100mg, 250mg, 500mg. Molecular Formula: C26H27Cl2N3O5S. US Biological Life Sciences.
. X-a-Gal blue b-galactosidase substrate. Product ID: 9-01606. Properties: d 1.18-1.20, >1 Pas.
Fluorescein chitosan
For measurement of limit-dextrinase in malt flours. Product ID: 9-01084. Properties: fluorescent glucomannan.
Fluorescein curdlan
suitable for determining polygalacturonase activity. Product ID: 9-01522. Mole weight: fluorescent derivative. Source : Also available in high methoxyl pectin. Please inquire.
Fluorescein-DBCO
Fluorescein-DBCO. Uses: Designed for use in research and industrial production. Additional or Alternative Names: Fluorescein-DBCO. Product Category: Fluorescein Fluorophores. CAS No. 2054339-00-1. Molecular formula: C39H27N3O6S. Mole weight: 665.7. Purity: 0.95. IUPACName: 1-[3-(2-azatricyclo[10.4.0.04,9]hexadeca-1(16),4,6,8,12,14-hexaen-10-yn-2-yl)-3-oxopropyl]-3-(3',6'-dihydroxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-5-yl)thiourea. Product ID: ACM2054339001-1. Alfa Chemistry ISO 9001:2015 Certified.