Thiamine EP Impurity G CAS 3419-28-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 3419-28-1 |
| Molecular Formula | C14H19N4O2S Cl |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Thiamine EP Impurity G (CAS 3419-28-1) pharmaceutical standards reference standard. Molecular formula: C14H19N4O2S Cl. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C14H19N4O2S Cl |
| Molecular Weight | 342.84 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Thiamine Standards
- Thiamine Impurity 30 (CAS 100502-51-0)
- Thiamine Nitrate EP Impurity G (CAS 1037-29-2)
- Thiamine Impurity 11 (CAS 105070-51-7)
- Thiamine /Vitamin B1 Impurity 50 (CAS 10553-88-5)
- Thiamine /Vitamin B1 Impurity 54 Ammonium Salt (CAS 10553-88-5 (free form))
- Thiamine EP Impurity F (CAS 10593-44-9)
- Thiamine disulfide (dinitrate) (CAS 109125-52-2)
- Thiamine Impurity 54 (CAS 1124-01-2)
Recommended Standards
- Methyl 2-(4-methoxybenzyl)-1,2-thiazinane-3-carboxylate 1,1-dioxide (CAS 1956306-61-8)
- 4-(2-(Difluoromethoxy)phenyl)-1H-pyrrole-3-carbonitrile (CAS 87388-20-3)
- (S)-2-Amino-3-cyano-4-methyl-4,5,6,7-tetrahydrobenzo[b]thiophene-4-carboxylic acid (CAS 2749963-99-1)
- 1-Benzyl-6-oxo-1,6-dihydropyridazine-3-carboxylic acid (CAS 171673-00-0)
- 2-(Fluoromethyl)cyclobutane-1-carboxylic acid (CAS 1421602-02-9)
- Hydantoin Impurity 1 (CAS 6859-11-6)
- Peptide 441 (CAS CATO-CPTD788441)
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