Phenylarsine Oxide CAS 637-03-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 637-03-6 |
| Molecular Formula | C6H5AsO |
| Molecular Weight | 168.02 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Phenylarsine Oxide (CAS 637-03-6), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C6H5AsO. Molecular weight: 168.02 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C6H5AsO |
| Molecular Weight | 168.02 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Recommended Standards
- N-Allyl-2,2-dichloroacetamide (CAS 39089-53-7)
- 2-(2-bromoethoxy)ethanamine (CAS 471910-67-5)
- N-(2,2-dichloroethenyl)propanamide (CAS 37001-11-9)
- 4-[5-(chloromethyl)-1H-1,2,4-triazol-3-yl]pyrimidine hydrochloride (CAS 1803611-65-5)
- 6-Fluoro-2-(piperidin-3-yl)benzo[d]oxazole (CAS 1343290-20-9)
- 1,3-Bis(chlorodifluoromethyl)benzene (CAS 52695-47-3)
- 2-(3-(Tosyloxy)piperidin-1-yl)acetic acid (CAS 1353975-12-8)
- 2-(Oxetan-3-yl)ethanamine (CAS 1253730-25-4)
- (3S,4R)-1-(tert-butoxycarbonyl)-4-(2,4-difluorophenyl)pyrrolidine-3-carboxylic acid (CAS 862282-35-7)
- Semaglutide impurity 98 (CAS CATO-C4X-222698)
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