Naphthol AS-BI Phosphate CAS 1919-91-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1919-91-1 |
| Molecular Formula | C18H31BrNO6P |
| Molecular Weight | 468.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Naphthol AS-BI Phosphate (CAS 1919-91-1), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C18H31BrNO6P. Molecular weight: 468.32 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C18H31BrNO6P |
| Molecular Weight | 468.32 g/mol |
| Appearance | White to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at room temperature, 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
Related Naphthol Standards
- 1-Naphthol 2,3,4-Tri-O-acetyl-β-D-glucuronide Methyl Ester (CAS 18404-55-2)
- Naphthol AS Nonanoate (CAS 10523-82-7)
- Naphthol AS-BI β-D-galactopyranoside (CAS 51349-63-4)
- Naphthol AS-TR phosphate (CAS 2616-72-0)
- Naphthol AS-MX Phosphate (CAS 1596-56-1)
- Naphthol AS-G (CAS 91-96-3)
- Naphthol AS-OL phosphate (CAS 84522-15-6)
- Naphthol AS-BI (CAS 1237-75-8)
Recommended Standards
- N-[(4-Nitrophenyl)methoxy]-2,5-bis(2,2,2-trifluoroethoxy)benzamide (CAS 320418-40-4)
- (4-(4-((2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)methyl)cyclohexane-1-carboxamido)-1-hydroxybutane-1,1-diyl)bis(phosphonic acid) (CAS 1426523-52-5)
- 5-(3-Bromophenyl)-1-(furan-2-ylmethyl)-3-hydroxy-4-(4-methoxybenzoyl)-1H-pyrrol-2(5H)-one (CAS 618074-70-7)
- 1-(2-methylpropyl)-1H-1,2,4-triazole (CAS 89531-93-1)
- 4-Allyl-5-methyl-4H-1,2,4-triazole-3-thiol (CAS 6232-84-4)
- 5-(2-Methoxyethyl)-7-methyl-2,5,7-triazaspiro[3.4]octan-6-one hydrochloride (CAS 2443909-85-9)
- 2-((3,4-Dichlorobenzyl)thio)-1-methyl-4,5-diphenyl-1H-imidazole (CAS 339277-04-2)
- 1-(4,6-Dimethylpyrimidin-2-yl)piperidin-4-amine dihydrochloride (CAS 2097997-07-2)
- 1-[2-Chloro-5-methyl-4-(methylsulfonyl)phenyl]-piperidine-3-carboxylic acid (CAS 942474-28-4)
- Semaglutide Impurity 163 (x TFA Salt) (CAS CATO-C4X-2226163)
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