4-(1-Hydroxy-1h-1,2,3-benzotriazole-6-sulfonamido)benzoic acid CAS 749906-99-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 749906-99-8 |
| Molecular Formula | C13H10N4O5S |
| Molecular Weight | 334.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(1-Hydroxy-1h-1,2,3-benzotriazole-6-sulfonamido)benzoic acid (CAS 749906-99-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C13H10N4O5S. Molecular weight: 334.31 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C13H10N4O5S |
| Molecular Weight | 334.31 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 |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Hydroxy Standards
- 3-(1-Hydroxy-1h-1,2,3-benzotriazole-6-sulfonamido)benzoic acid (CAS 749906-96-5)
- 2'-Hydroxy-[1,1':4',1''-terphenyl]-4,4''-dicarboxylic acid (CAS 1604813-79-7)
- 4-(7-Hydroxy-4-oxo-4H-chromen-3-yl)phenyl hydrogen sulfate (CAS 162935-26-4)
- 6-Ethyl-7-hydroxy-3-phenyl-2-(trifluoromethyl)-4h-chromen-4-one (CAS 105258-37-5)
- 7-Hydroxy-8-methyl-3-(o-tolyl)-2-(trifluoromethyl)-4h-chromen-4-one (CAS 315233-79-5)
- 5-((6-Hydroxy-2,3-dihydrobenzofuran-5-yl)methyl)-6-methyl-2-phenylpyrimidin-4(1H)-one (CAS 18006-89-8)
- 1-Hydroxy-4-((3-(trifluoromethyl)phenyl)diazenyl)-3H-isochromen-3-one (CAS 339021-22-6)
- 6-Hydroxy-4-oxo-N-(1-phenylethyl)-1,2-dihydro-4H-pyrrolo[3,2,1-ij]quinoline-5-carboxamide (CAS 384361-71-1)
Recommended Standards
- Ethyl 8-oxo-8-(2,3,4,5-tetrafluorophenyl)octanoate (CAS 951887-47-1)
- 1,1,1-Trifluoro-3-(piperidin-1-yl)propan-2-yl N-(3-fluorophenyl)carbamate (CAS 477848-31-0)
- Methyl (bis(benzyloxy)phosphoryl)carbamimidate (CAS 93023-32-6)
- 2,7-Oxepanedione (CAS 2035-75-8)
- 5-Chloro-4-ethoxy-2-phenylpyridazin-3(2H)-one (CAS 77541-60-7)
- 2-Cyclohexyl-6-methylpyrimidin-4-amine (CAS 1272832-42-4)
- N-[2-(N-Vinylbenzylamino)ethyl]-3-aminopropyltrimethoxysilane Hydrochloride (30-40% in Methanol) (CAS 34937-00-3)
- tert-Butyl (trans-4-ethynylcyclohexyl)(methyl)carbamate (CAS 1809337-36-7)
- 1-(Azidomethyl)-3,5-difluorobenzene (CAS 622372-77-4)
- Semaglutide impurity 89 (CAS CATO-C4X-222689)
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