Terazosin EP Impurity G CAS 105356-89-6
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 105356-89-6 |
| Molecular Formula | C18H23N5O4 |
| Molecular Weight | 373.41 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Terazosin EP Impurity G (CAS 105356-89-6), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C18H23N5O4. Molecular weight: 373.41 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C18H23N5O4 |
| Molecular Weight | 373.41 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 5 |
Related Terazosin Standards
- Terazosin EP Impurity H HCl (CAS 111013-28-6)
- Terazosin EP Impurity H (CAS 105356-90-9)
- Terazosin EP Impurity K (CAS 19216-56-9)
- (R)-Terazosin (CAS 109351-34-0)
- Terazosin EP Impurity B (CAS 1177261-73-2)
- Terazosin EP Impurity J (CAS 152551-75-2)
- Terazosin Impurity 23 (CAS 1260939-66-9)
- Terazosin EP Impurity F (CAS 109678-71-9)
Recommended Standards
- Cinacalcet Impurity 81 (CAS CATO-C4X-105981)
- Cinacalcet N-Oxide (CAS 1229224-94-5)
- Ceftizoxime Ring-opening decarboxylation S-oxide 2 (CAS CATO-C4X-179340)
- Urapidil Impurity 11 (CAS 91453-03-1)
- Nintedanib Impurity 104 (CAS CATO-C4X-1814104)
- 2-((6-Acetamidopyridin-3-yl)thio)-N-(4-(trifluoromethoxy)phenyl)nicotinamide (CAS 343373-14-8)
- N-(2-(phenylthio)ethyl)-2-(p-tolyl)acetamide (CAS 477886-12-7)
- 2-BROMO-5-METHYL-PHENYLAMINE 2-BROMO-5-METHYLANILINE 2-BROMO-5-METHYLBENZENAMINE 3-AMINO-4-BROMOTOLUENE 53078-85-6 BC002762 BENZENAMINE, 2-BROMO-5-METHYL- (CAS 53078-85-6)
- N-(2-(Benzo[d]oxazol-2-yl)ethyl)-[1,1'-biphenyl]-4-sulfonamide (CAS 926283-46-7)
- Semaglutide impurity 249 (CAS CATO-C4X-2226249)
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