1H-Pyrrole-3-sulfonic acid CAS 749255-18-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 749255-18-3 |
| Molecular Formula | C4H5NO3S |
| Molecular Weight | 147.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1H-Pyrrole-3-sulfonic acid (CAS 749255-18-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C4H5NO3S. Molecular weight: 147.15 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C4H5NO3S |
| Molecular Weight | 147.15 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related H Standards
- 1H-Pyrrole-3-sulfonamide (CAS 189063-21-6)
- 1H-Pyrrole-2-sulfonamide (CAS 55673-67-1)
- 1H-Pyrrole-2-sulfonyl fluoride (CAS 1909325-87-6)
- pyrrole-1-sulfonamide (CAS 1237884-46-6)
- 1H-Pyrrole-2,3,5-tricarbaldehyde (CAS 81697-99-6)
- 1H-pyrrole-2-carboxylic acid, ethyl ester 2199-43-1 InChI=1/C7H9NO2/c1-2-10-7(9)6-4-3-5-8-6/h3-5,8H,2H2,1H ethyl 1H-pyrrole-2-carboxylate (CAS 2199-43-1)
- 1,1'-(1H-Pyrrole-1,2-diyl)diethanone (CAS 365221-43-8)
- 1,1'-(1H-Pyrrole-2,3-diyl)diethanone (CAS 87032-88-0)
Recommended Standards
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- 2-methyl-1,3-benzothiazole-4-carbaldehyde (CAS 1261784-71-7)
- Neuropeptide Y (13-36) (human, rat) (CAS 122341-40-6)
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