Sodium benzenesulfinate CAS 873-55-2
Purity >95%In StockPharmaceutical Standards
| CAS No. | 873-55-2 |
| Molecular Formula | C6H5O2S Na |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Sodium benzenesulfinate (CAS 873-55-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C6H5O2S Na. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C6H5O2S Na |
| Molecular Weight | 164.15 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Sulfur Atoms | 1 |
Related Sodium Standards
Recommended Standards
- [5,5′-Bis(trifluoromethyl)-2,2′-bipyridine-κN1,κN1′]bis[5-(1,1-dimethylethyl)-2-[4-(1,1-dimethylethyl)-2-pyridinyl-κN]phenyl-κC]-, (OC-6-33)-Iridium(1+), hexafluorophosphate(1-) (1:1) (CAS 2757085-15-5)
- 2-{[(2-chloropyridin-4-yl)methyl]sulfanyl}ethan-1-amine (CAS 1248974-11-9)
- Methyl 2-(N'-(benzyloxy)formimidamido)thiophene-3-carboxylate (CAS 338750-44-0)
- 4-Benzylsulfonylpiperidine hydrochloride (CAS 1417634-21-9)
- Methyl 6-cyclopropyl-1-(2,2-difluoroethyl)-3-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylate (CAS 1018142-18-1)
- 4-Chloro-5-methyl-1H-pyrazole-3-carbaldehyde (CAS 1050642-24-4)
- Allo-D-Ile17-Tirzepatide (CAS CATO-CPTD788962)
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