2-Chloro-3-hydroxy-1-methylpyridin-1-ium 4-methylbenzenesulfonate CAS 73059-19-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 73059-19-5 |
| Molecular Formula | C7H7O3S C6H7ClNO |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Chloro-3-hydroxy-1-methylpyridin-1-ium 4-methylbenzenesulfonate (CAS 73059-19-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H7O3S C6H7ClNO. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H7O3S C6H7ClNO |
| Molecular Weight | 315.77 g/mol |
| Purity | 97%+ |
| 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- benzyl 4-(5-chloro-1-(2-ethoxy-2-oxoethyl)-6-oxo-1,6-dihydropyridazin-4-yl)piperazine-1-carboxylate (CAS 1000018-18-7)
- 3-[(2-Chloro-4-methylsulfonyl)phenoxy]benzoic acid (CAS 1000018-31-4)
- 6-Chloro-2-[2-(3-[(6-chloro-1-ethylbenz[c,d,]indole-2[1H]-ylidene)ethylidene]-2-phenyl-1-cyclopenten-1-yl)ethenyl]-1-ethylbenz[c,d]indolium tetrafluoroborate (CAS 100012-45-1)
- 3-Chloro-2-fluoro-5-iodobenzoic acid (CAS 1000162-09-3)
- (3-Chloro-2-fluoro-5-iodophenyl)methanol (CAS 1000162-10-6)
- 3-Chloro-2-fluoro-5-nitrobenzoic acid (CAS 1000162-34-4)
- 2-Chloro-N-(piperidin-4-yl)-6,7-dihydro-5H-cyclopenta-[d]pyrimidin-4-amine hydrochloride (CAS 1000207-51-1)
- 4-chloro-6-(3,3-difluoropyrrolidin-1-yl)pyrimidine (CAS 1000303-40-1)
Recommended Standards
- Bis(3-chlorophenyl)methanamine (CAS 286947-81-7)
- (((2-Bromocyclopentyl)oxy)methyl)cyclohexane (CAS 1250720-12-7)
- Methyl 3-azepan-1-yl-2-methylpropanoate (CAS 25027-58-1)
- 5-[(4-amino-3,5-dimethyl-1H-pyrazol-1-yl)methyl]-2-furoic acid (CAS 1245806-67-0)
- Ethyl (2-methyl-3-oxo-5-phenylpyrrolidin-1-yl) carbonate (CAS 92246-24-7)
- Ethyl 2-(2-bromo-4-cyano-3-fluorophenyl)acetate (CAS 1807022-42-9)
- Myristoyl Pentapeptide-4 (CAS 1392416-25-9)
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