Benzaldehyde sodium bisulfite CAS 4657-12-9
Purity >95%In StockPharmaceutical Standards
| CAS No. | 4657-12-9 |
| Molecular Formula | C7H7O4S Na |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Benzaldehyde sodium bisulfite (CAS 4657-12-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C7H7O4S Na. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C7H7O4S Na |
| Molecular Weight | 210.18 g/mol |
| Purity | >95% |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 6-Methyl-2-methylthio-4,7(3H,8H)-pteridinedione Disodium Salt (CAS 1189712-51-3)
- S-Nitroso-N-acetyl-D,L-penicillamine (CAS 67776-06-1)
- 1-Bromo-2-ethynyl-4-fluorobenzene (CAS 1693887-36-3)
- 2-Fluorohexadecanoic acid (CAS 16518-94-8)
- N-cyclopropyl-N-(pyridin-4-yl)glycine (CAS 1179273-76-7)
- 3-methyl-2-phenylbutan-1-amine (CAS 196106-01-1)
- MOTS-c Peptide (CAS 1627580-64-6)
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