Thiamine nitrate EP Impurity E CAS 299-35-4
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 299-35-4 |
| Molecular Formula | C12H16N4OS2 |
| Molecular Weight | 296.41 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
High-purity Thiamine nitrate EP Impurity E (CAS 299-35-4) pharmacopoeial impurity standards reference standard. Molecular formula: C12H16N4OS2. Molecular weight: 296.41 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C12H16N4OS2 |
| Molecular Weight | 296.41 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 2 |
Related Thiamine Standards
- Thiamine Impurity 3 (CAS 20166-17-0)
- Thiamine /Vitamin B1 Impurity 53 (CAS CATO-C4X-187353)
- Thiamine Nitrate EP Impurity D (CAS 490-82-4)
- Thiamine EP Impurity F (CAS 10593-44-9)
- Thiamine Impurity 32 (CAS 52164-53-1)
- Thiamine /Vitamin B1 Impurity 56 (CAS 1153-39-5)
- Thiamine Impurity 42 (CAS 38655-47-9)
- Thiamine (CAS 70-16-6)
Recommended Standards
- Tranexamic Acid EP Impurity E (CAS 82755-59-7)
- Piperazine Impurity 8 (CAS 769083-63-8)
- Netupitant Impurity 2 (CAS CATO-C4X-12232)
- Lodoxamide lmpurity 9 (CAS 61313-43-7)
- 4-Chloro-3-sulfobenzoic acid (Bumetanide Impurity) (CAS 755698-62-5)
- 3-((Hydroxyimino)methyl)benzonitrile (CAS 64847-76-3)
- 4-Amino-7-((2R,5S)-5-(hydroxymethyl)-2,5-dihydrofuran-2-yl)-7H-pyrrolo[2,3-d]pyrimidine-5-carbonitrile (CAS 115044-83-2)
- tert-butyl 1,2,3,4-tetrahydroisoquinoline-4-carboxylate (CAS 1479898-20-8)
- (3,3-Difluorotetrahydro-2H-pyran-4-yl)methanamine (CAS 1780537-28-1)
- Liraglutide Impurity 30 (CAS CATO-C4X-199230)
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