Sorbic acid impurity 3 CAS 18778-81-9
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 18778-81-9 |
| Molecular Formula | C8H12O3 |
| Molecular Weight | 156.18 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Sorbic acid impurity 3 (CAS 18778-81-9) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C8H12O3. Molecular weight: 156.18 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C8H12O3 |
| Molecular Weight | 156.18 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1962 |
Related Sorbic Standards
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- Sorbic acid impurity 2 (CAS 51830-12-7)
- Sorbic acid impurity 5 (CAS 2396-84-1)
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- Sorbic acid impurity 1 (CAS 145374-95-4)
- Sorbic acid impurity 4 (CAS 1515-80-6)
Recommended Standards
- Ruxolitinib Impurity 13 (CAS 1865785-69-8)
- Naphthalene-1-Aldehyde (CAS 66-77-3)
- Brivaracetam impurity 85 (CAS CATO-C4X-200785)
- Lesinurad Impurity 1 (CAS 1533519-98-0)
- Belumosudil Impurity 42 (CAS CATO-C4X-298842)
- 3-Hydroxy-N-(2-(pyrrolidin-1-yl)propyl)picolinamide (CAS 1311754-59-2)
- (3-(Methylamino)phenyl)boronic acid (CAS 877064-60-3)
- Sar-NMe2 (CAS 1857-20-1)
- 2-(4-Chlorophenoxy)-N-methoxy-N,2-dimethylpropanamide (CAS 190264-41-6)
- Allo-D-Ile12-Tirzepatide (CAS CATO-CPTD788963)
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