Obtusin CAS 70588-05-5
Purity >95%In StockPharmaceutical Standards
| CAS No. | 70588-05-5 |
| Molecular Formula | C18H16O7 |
| Molecular Weight | 344.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Obtusin (CAS 70588-05-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H16O7. Molecular weight: 344.32 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H16O7 |
| Molecular Weight | 344.32 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| 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 |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
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- 2-(1,4-oxazepan-4-yl)ethanamine (CAS 878155-50-1)
- Palmatine hydroxide (CAS 131-04-4)
- 1-(1-Aminopropan-2-yl)cyclohexan-1-ol (CAS 1526825-75-1)
- Semaglutide impurity 199 (CAS CATO-C4X-2226199)
Why CATO?
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