Home > Pharmaceutical Standards > Phenol Red (143-74-8)
Phenol Red CAS 143-74-8
Purity Technical Grade In Stock Pharmaceutical Standards
CAS No. 143-74-8
Molecular Formula C19H14O5S
Molecular Weight 354.38 g/mol
Category Pharmaceutical Standards / API Standards
Availability In Stock
Description CATO supplies Phenol Red (CAS 143-74-8), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C19H14O5S. Molecular weight: 354.38 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties Molecular Formula C19H14O5S Molecular Weight 354.38 g/mol Purity Technical Grade Storage Store at 2-8°C, protect from light, keep sealed and dry Solubility (reference) Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) Stability May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light Degree of Unsaturation (DBE) 13.0 UV Absorption UV-absorbing Structural Features Aromatic ring present CAS Registry Year (est.) 1957 Sulfur Atoms 1
Related Phenol Standards Phenol, 2-[2-(2-nitrophenyl)diazenyl]-4-(1,1,3,3-tetramethylbutyl)- (CAS 51656-57-6) Phenol, 2,2'-[1,2-ethanediylbis(nitrilomethylidyne)]bis[4-methyl-, copper complex (CAS 41754-68-1) Phenol, 4,4'-thiobis[2-(1,1-dimethylethyl)-5-methyl-, homopolymer (CAS 57062-46-1) 978-86-9
Phenol, 4-(triphenylmethyl)-
4-Tritylphenol
AI3-61705
EINECS 213-557-1
4-(Triphenylmethyl)phenol (CAS 978-86-9) Phenol, 4-[6-(1,1-dimethylethoxy)-1,2,3,4-tetrahydro-2-phenyl-1-naphthalenyl]- (CAS 2741696-03-5) Phenol Related Compound 3 (CAS 58878-18-5) Phenol Related Compound 6 (CAS 79005-83-7) Phenol-amido-C1-PEG3-N3 (CAS 1096439-18-7)
Recommended Standards Vericiguat Impurity 96 (CAS CATO-C4X-289696) Benzyl 2,3-O-[(1S,2S)-1,2-Dimethoxy-1,2-dimethyl-1,2-ethanediyl]-a-L-xylopyranoside (CAS 1084896-38-7) Abrocitinib Nitroso Impurity 10 (CAS CATO-C4X-288410) Ethane-1,2-diyl bis(2-bromoacetate) (CAS 3785-34-0) [1-(2-chlorophenyl)-1h-1,2,3-triazol-4-yl]methanamine hydrochloride (CAS 1221725-59-2) 5-Fluoro-1-(2-oxopropyl)pyrimidine-2,4(1H,3H)-dione (CAS 72975-34-9) Vericiguat Impurity 30 (CAS CATO-C4X-289630) Potassium trifluoro(3-oxo-3-((2-(trifluoromethyl)phenyl)amino)propyl)borate (CAS 1705578-30-8) Methyl 3-methyl-4-oxocyclohexanecarboxylate (CAS 62617-92-9) Semaglutide impurity 50 (CAS 2773558-66-8)
« Hydrocodone (+)-bitartrate salt Butabarbital Sodium - API »
Why CATO?
ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
130,000+ catalog items in stock, COA supplied with every batch
Worldwide shipping with full export documentation (HS code guidance available)
Technical support: +86 13829788188 / jacky.chen@cato-chem.com