2,2',3,4-Tetrahydroxy-3'-sulfo-5'-chlorazobenzene 5-Chloro-2-hydroxy-3-[2-(3,4,5-trihydroxyphenyl)diazenyl]benzenesulfonic Acid 946153-47-5 Tetrahydroxyazon SCl CAS 946153-47-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 946153-47-5 |
| Molecular Formula | C12H9ClN2O7S |
| Molecular Weight | 360.73 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,2',3,4-Tetrahydroxy-3'-sulfo-5'-chlorazobenzene 5-Chloro-2-hydroxy-3-[2-(3,4,5-trihydroxyphenyl)diazenyl]benzenesulfonic Acid 946153-47-5 Tetrahydroxyazon SCl (CAS 946153-47-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H9ClN2O7S. Molecular weight: 360.73 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H9ClN2O7S |
| Molecular Weight | 360.73 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- Copper dichloro[2,2-(2-imidazolidinylidene)bis[pyridine]]- (CAS 89509-06-8)
- 3-((5-Chloro-2-methylphenyl)amino)cyclohex-2-en-1-one (CAS 166883-90-5)
- 2-Methoxy-6-[2-(4-phenyl-4H-[1,2,4]triazol-3-yl)-vinyl]-benzoic acid methyl ester(trans) (CAS 365542-64-9)
- Tert-butyl 3-(2-ethoxy-2-oxoethyl)-4-oxopyrrolidine-1-carboxylate (CAS 2109939-80-0)
- Ethyl 9-fluorodecanoate (CAS 63977-32-2)
- (2S)-2-Amino-3-(methylsulfinyl)propanoic acid (CAS 23315-24-4)
- 4-chloro-2-iodo-1-methyl-1H-pyrrolo[2,3-b]pyridine (CAS 1312581-09-1)
- Semaglutide impurity 244(Fmoc-His(Fmoc)-Aib-OH) (CAS CATO-C4X-2226244)
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