Minoxidil EP Impurity A CAS 35139-67-4
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 35139-67-4 |
| Molecular Formula | C4H5ClN4O |
| Molecular Weight | 160.56 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Minoxidil EP Impurity A (CAS 35139-67-4) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C4H5ClN4O. Molecular weight: 160.56 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C4H5ClN4O |
| Molecular Weight | 160.56 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1967 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related Minoxidil Standards
- Minoxidil Impurity 32 (CAS CATO-C4X-170032)
- Minoxidil Impurity 70 (CAS CATO-C4X-170070)
- Minoxidil Impurity 60 (CAS CATO-C4X-170060)
- Minoxidil Impurity 20 (CAS 128304-92-7)
- Minoxidil Impurity 14 (CAS CATO-C4X-170014)
- Minoxidil Impurity 6 (CAS 116436-03-4)
- Minoxidil Impurity 58 (CAS CATO-C4X-170058)
- Minoxidil Impurity 53 (CAS CATO-C4X-170053)
Recommended Standards
- Fluorouracil Impurity 29 (CAS CATO-C4X-164929)
- 5-Chloro-2-methoxypyrimidin-4(3H)-one (CAS CATO-C4X-164925)
- Urapidil Impurity 27 (CAS 31737-09-4)
- Prilocaine EP Impurity E (CAS 744961-76-0)
- Tazobactam Impurity 6 (CAS CATO-C4X-12056)
- 4-Methyl-3-nitrothiophen-2-amine (CAS 80313-10-6)
- Phenyl-d5-acetylene (CAS 25837-46-1)
- S-Phenyl 2-methylprop-2-enethioate (CAS 54667-28-6)
- Benzo[lmn]benzo[4,5]imidazo[2,1-b]benzo[4,5]imidazo[1,2-j][3,8]phenanthroline-6,9-dione (CAS 4216-02-8)
- 81988-89-8 UH11FDQ454 Ramoplanin A(sub 3) Ramoplanin A3 (S)-2-(3-Chloro-4-hydroxyphenyl)-N-(N(sup 2)-((2Z,4Z)-8-methyl-2,4-nonadienoyl)-(S)-asparaginyl-(2S,3S)-3-hydroxyasparaginyl-(R)-2-(p-hydroxyphenyl)glycyl-(R)-ornithyl-(2R,3R)-allothreonyl-2-(p-hydroxyphenyl)glycyl-2-(p-hydroxyphenyl)glycyl-(2S,3S)-allothreonyl-(S)-phenylalanyl-(R)-ornithyl-(S)-2-(p-((2-O-alpha-D-mannopyranosyl-alpha-D-mannopyranosyl)oxy)phenyl)glycyl-(2R,3R)-allothreonyl-(S)-2-(p-hydroxyphenyl)glycylglycyl-(S)-leucyl-(R)-alanyl)glycine psi1-lactone Ramoplanin A 1 (peptide moiety), 1-(N(sup 2)-methyl-1-oxo-2,4-nonadienyl)-L-asparagine)-11-(L-2-(4-((2-O-alpha-D-mannopyranosyl-alpha-D-mannopyranosyl)oxy)phenyl)glycine)-, (Z,Z)- UNII-UH11FDQ454 (CAS 81988-89-8)
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