5-Amino-1-(2-aminophenyl)-1h-pyrazole-4-carbonitrile CAS 87138-51-0
| CAS No. | 87138-51-0 |
| Molecular Formula | C10H9N5 |
| Molecular Weight | 199.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
5-Amino-1-(2-aminophenyl)-1h-pyrazole-4-carbonitrile (CAS 87138-51-0) is a high-purity analytical reference standard with the molecular formula C10H9N5 and a molecular weight of 199.21 g/mol.
Structurally, 5-Amino-1-(2-aminophenyl)-1h-pyrazole-4-carbonitrile (C10H9N5) contains a nitrogen-containing heterocyclic scaffold, a nitrile group. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 199.21 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures 5-Amino-1-(2-aminophenyl)-1h-pyrazole-4-carbonitrile under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C10H9N5 |
| Molecular Weight | 199.21 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1981 |
| Nitrogen Atoms | 5 |
Related Amino Standards
- Ethyl 4-amino-1-(methoxymethyl)-1H-imidazole-2-carboxylate (CAS 1026411-22-2)
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- 5-amino-1-(4-aminophenyl)-1H-pyrazole-4-carbonitrile (CAS 1135324-00-3)
- 6-Amino-1-(2-ethoxyethyl)-1,2,3,4-tetrahydropyrimidine-2,4-dione (CAS 1154557-84-2)
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- 4-[(3-amino-1h-1,2,4-triazol-1-yl)methyl]benzonitrile (CAS 1183360-25-9)
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Recommended Standards
- 5,7-dimethyl-4-oxo-4H-chromene-3-carbonitrile (CAS 286832-89-1)
- 5-Amino-1-benzyl-1h-1,2,3-triazole-4-carbonitrile (CAS 20271-35-6)
- 5,6-Benzoisatin (CAS 5810-96-8)
- 5-Amino-1H-naphtho[1,2-d]imidazol-2(3H)-one (CAS 75370-64-8)
- Ethyl 2,3-dimethyl-4-oxo-4,5-dihydrofuro[3,2-c]pyridine-7-carboxylate (CAS 1956382-70-9)
- 6-chloro-N-[(4-methoxyphenyl)methyl]pyridazin-4-amine (CAS 2725790-90-7)
- Fmoc-3-Amb-OH (CAS 155369-11-2)
- 1-(Difluoromethyl)-2-methylbenzene (CAS 1222556-60-6)
- 2,4-Diphenylthiazole-5-carboxylic acid (CAS 502935-47-9)
- 3-(3-Methoxyphenyl)azetidine Hydrochloride (CAS 1203684-74-5)
- Tert-butyl (4-methoxy-2-nitrophenyl)carbamate (CAS 185428-90-4)
- 5-Amino-N-(4-methoxyphenyl)-2-(pyrrolidin-1-yl)benzene-1-sulfonamide (CAS 327092-85-3)
- 1-(4-Amino-6-methylpyrimidin-2-yl)piperidin-4-ol (CAS 1333960-60-3)
- Semaglutide Impurity 2 (CAS CATO-C4X-22262)
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 18665070610 / Nicole.chen@cato-chem.com