Rhein-13C4 CAS 1189928-10-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1189928-10-6 |
| Molecular Formula | C11[13C]4H8O6 |
| Molecular Weight | 288.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
Rhein-13C4 (CAS 1189928-10-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11[13C]4H8O6. Molecular weight: 288.19 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11[13C]4H8O6 |
| Molecular Weight | 288.19 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| 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; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
Recommended Standards
- 2-(2-(Cyclopropylmethoxy)-5-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1185836-99-0)
- 2-(4-(Cyclopentyloxy)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1196396-29-8)
- Perospirone Impurity 51 (CAS CATO-C4X-245851)
- 2,6-Dimethyl-N-((4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)methyl)nicotinamide (CAS 2246762-07-0)
- 2-Bromo-5-chloroisonicotinonitrile (CAS 1211537-53-9)
- Acetophenone impurity 12 (CAS CATO-C4X-260812)
- Probenecid EP Impurity C (CAS CATO-C4X-29518)
- 2-Hydroxy-3-(pyridin-2-yl)propanoic acid (CAS 902272-89-3)
- tert-Butyl (2-chloro-4-hydroxyphenyl)carbamate (CAS 201811-58-7)
- Insulin Detemir (CAS 169148-63-4)
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