Minoxidil Impurity 20 CAS 128304-92-7
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 128304-92-7 |
| Molecular Formula | C5H8N4O2 |
| Molecular Weight | 156.14 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
High-purity Minoxidil Impurity 20 (CAS 128304-92-7) pharmacopoeial impurity standards reference standard. Molecular formula: C5H8N4O2. Molecular weight: 156.14 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C5H8N4O2 |
| Molecular Weight | 156.14 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | >95% |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1993 |
| Nitrogen Atoms | 4 |
Related Minoxidil Standards
- Minoxidil Impurity 60 (CAS CATO-C4X-170060)
- Minoxidil Impurity 14 (CAS CATO-C4X-170014)
- Minoxidil Impurity 6 (CAS 116436-03-4)
- Minoxidil Impurity 58 (CAS CATO-C4X-170058)
- Minoxidil EP Impurity A (CAS 35139-67-4)
- Minoxidil Impurity 32 (CAS CATO-C4X-170032)
- Minoxidil Impurity 70 (CAS CATO-C4X-170070)
- Minoxidil EP Impurity B (CAS 156-83-2)
Recommended Standards
- Fluorouracil Impurity 28 (CAS CATO-C4X-164928)
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- Cefazolin Impurity 28 (CAS 26240-90-4)
- Brexpiprazole Impurity 60 (CAS CATO-C4X-113160)
- Vibegron Impurity 4 (CAS CATO-C4X-23764)
- 1H-Pyrazole-3,5-dicarbonyl chloride (CAS 74621-40-2)
- 1-Oleoyl-2-Hydroxy-sn-Glycero-3-Phosphatidylglycerol Na salt (CAS 326495-24-3)
- 1-(4-Ethylphenyl)-3-(1H-indol-3-yl)urea (CAS 941987-60-6)
- Z3S980Z4P3 97-94-9 Triethylborane Triethylboron Borane, triethyl- 4-04-00-04359 (Beilstein Handbook Reference) Boron ethyl Boron triethyl BRN 1731462 EINECS 202-620-9 HSDB 897 Triethylborine UNII-Z3S980Z4P3 (CAS 97-94-9)
- Bax inhibitor peptide V5 (CAS 579492-81-2)
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