Thiamine Impurity N1 CAS 7403-34-1
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 7403-34-1 |
| Molecular Formula | C7H8N4S |
| Molecular Weight | 180.23 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Thiamine Impurity N1 (CAS 7403-34-1) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C7H8N4S. Molecular weight: 180.23 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C7H8N4S |
| Molecular Weight | 180.23 g/mol |
| Purity | 97%+ |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1959 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Thiamine Standards
- Thiamine /Vitamin B1 Impurity 44 (CAS CATO-C4X-187344)
- Thiamine Impurity 54 (CAS 1124-01-2)
- Thiamine /Vitamin B1 Impurity 52 (CAS 252568-49-3)
- Thiamine Impurity 17 (CAS 73-66-5)
- Thiamine Impurity 33 (CAS 861031-76-7)
- Thiamine Impurity 37 (CAS 1698838-89-9)
- Thiamine Impurity 38 (CAS 1199782-58-5)
- Thiamine /Vitamin B1 Impurity 18 (CAS 1886-34-6)
Recommended Standards
- N-Carbamothioylbenzamide (CAS 614-23-3)
- 247571-52-4 3-Allyl-5-amino-2-imino-2,3-dihydro-thiazole-4-carbonitrile 8321AD C7H8N4S (CAS 247571-52-4)
- N-(thiophen-2-ylmethyl)-4H-1,2,4-triazol-4-amine (CAS 308288-21-3)
- Vonoprazan Impurity 269 (CAS CATO-C4X-1020269)
- Amodiaquine Impurity 17 (CAS 121-78-8)
- 5-Bromo-N,N-diethyl-4-(methylamino)pyridine-3-sulfonamide (CAS 1352522-17-8)
- 2-Methyl-DL-proline Methyl Ester (CAS 51098-47-6)
- 2-(4-(Naphthalen-2-yl)thiazol-2-yl)acetonitrile (CAS 194809-95-5)
- (1-methylazetidin-2-yl)methanol (CAS 1629600-48-1)
- Semaglutide impurity 205 (CAS CATO-C4X-2226205)
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