Pemetrexed Impurity N17 CAS 1644286-36-1
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 1644286-36-1 |
| Molecular Formula | C20H21N5O8 |
| Molecular Weight | 459.42 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Pemetrexed Impurity N17 (CAS 1644286-36-1) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C20H21N5O8. Molecular weight: 459.42 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C20H21N5O8 |
| Molecular Weight | 459.42 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Nitrogen Atoms | 5 |
Related Pemetrexed Standards
- Pemetrexed Impurity 12 (CAS CATO-C4X-172612)
- Pemetrexed Impurity 58 (CAS CATO-C4X-172658)
- Pemetrexed Impurity 74 (CAS CATO-C4X-172674)
- Pemetrexed impurity 45 (CAS CATO-C4X-172645)
- Pemetrexed impurity 47 (CAS CATO-C4X-172647)
- Pemetrexed Impurity 70 (CAS CATO-C4X-172670)
- Pemetrexed Impurity 18 (CAS CATO-C4X-172618)
- Pemetrexed Impurity 19 (CAS CATO-C4X-172619)
Recommended Standards
- tert-butyl N-[3-(4-bromophenyl)-1-bicyclo[1.1.1]pentanyl]-N-(tert-butoxycarbonylamino)carbamate (CAS 2149634-54-6)
- Dimethyl 2',2',4-tricyano-2''-fluoro-5'-hydroxy-1',2',3',4'-tetrahydro-[1,1':3',1''-terphenyl]-4',6'-dicarboxylate (CAS 1212097-79-4)
- 5-Methyl-7-(3-(trifluoromethyl)phenyl)-N-(3,4,5-trimethoxyphenyl)imidazo[5,1-f][1,2,4]triazin-2-amine (CAS 774460-98-9)
- Sunitinib Impurity 45 (CAS 443-69-6)
- Bisoprolol Impurity N5 (CAS 109791-19-7)
- (2S,4R)-4-(3-(Trifluoromethyl)benzyl)pyrrolidine-2-carboxylic acid hydrochloride (CAS 1049743-55-6)
- (2R,3R)-3-(cyclopropylcarbamoyl)bicyclo[2.2.1]Hept-5-ene-2-carboxylic acid (CAS 1822302-67-9)
- Isavuconazole Impurity 221 (CAS 1062201-83-5)
- N-(4-(oxetan-3-yl)phenyl)acetamide (CAS 1380292-54-5)
- SAMS Peptide (CAS 125911-68-4)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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