Alprazolam EP Impurity H CAS 2203515-05-1
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 2203515-05-1 |
| Molecular Formula | C34H27Cl2N7O2 |
| Molecular Weight | 636.53 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Alprazolam EP Impurity H (CAS 2203515-05-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C34H27Cl2N7O2. Molecular weight: 636.53 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C34H27Cl2N7O2 |
| Molecular Weight | 636.53 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 24.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 7 |
Related Alprazolam Standards
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- Alprazolam Impurity 20 (CAS 26381-66-8)
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Recommended Standards
- 1-2-3-Tri-O-acetyl-4-O-(2-3-4-6-tetra-O-acetyl-α-D-glucopyranosyl)-β-D-glucopyranose (CAS 56285-96-2)
- Hydrochlorothiazide Impurity 27 (CAS CATO-C4X-117727)
- 2-3-4-Tri-O-acetyl-6-O-(2-3-4-6-tetra-O-acetyl-β-D-glucopyranosyl)-D-glucopyranose (CAS 56253-33-9)
- Olmesartan Impurity 79 (CAS 172875-59-1)
- Falecalcitriol impurity 3 (CAS CATO-C4X-31413)
- 7-chloro-2-methyl-1,6-naphthyridin-3-yl trifluoromethanesulfonate (CAS 1455035-96-7)
- 1-(2-Cyanoethyl)-2-oxocyclopentanecarbonitrile (CAS 139624-41-2)
- (Pyrrolidin-2-ylmethyl)urea (CAS 1249108-26-6)
- methyl 5-fluoro-3-methyl-2-oxo-1,3-benzoxazole-7-carboxylate (CAS 2387599-02-0)
- Semaglutide impurity 271 (CAS CATO-C4X-2226271)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com