1-Methyl-4-(phenylamino)-1H-pyrazole-5-carboxylic acid CAS 93702-99-9
| CAS No. | 93702-99-9 |
| Molecular Formula | C11H11N3O2 |
| Molecular Weight | 217.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 1-Methyl-4-(phenylamino)-1H-pyrazole-5-carboxylic acid.
CATO supplies 1-Methyl-4-(phenylamino)-1H-pyrazole-5-carboxylic acid (CAS 93702-99-9), a certified reference material (molecular formula C11H11N3O2, MW 217.22 g/mol) for analytical method development and quality control.
Based on its molecular formula C11H11N3O2, 1-Methyl-4-(phenylamino)-1H-pyrazole-5-carboxylic acid contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 217.22 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 1-Methyl-4-(phenylamino)-1H-pyrazole-5-carboxylic acid 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 | C11H11N3O2 |
| Molecular Weight | 217.22 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1983 |
| Nitrogen Atoms | 3 |
Related Methyl Standards
- 1-methyl-4-(phenylamino)-1H-pyrazole-3-carboxylic acid (CAS 93703-06-1)
- 2-Acetyl-5-(phenylamino)furan-3(2H)-one (CAS 61418-06-2)
- 3-Methyl-5-(phenylamino)-1H-pyrazole-4-carboxylic acid (CAS 57861-20-8)
- 5-((Phenylamino)methyl)furan-2-carboxylic acid (CAS 858249-56-6)
- 4-(Phenylamino)-3-propyl-1H-1,2,4-triazol-5(4H)-one (CAS 75989-68-3)
- 1-(2-(Phenylamino)thiazol-5-yl)ethan-1-one (CAS 343376-30-7)
- 1-[4-(phenylamino)piperidin-1-yl]ethan-1-one (CAS 1157294-82-0)
- 1-(Phenylamino)cyclohexane-1-carboxamide (CAS 64269-12-1)
Recommended Standards
- 2-(((5-Ethyl-1,3,4-oxadiazol-2-yl)imino)methyl)phenol (CAS 612047-43-5)
- 1-Methoxy-4-methylisoquinoline-3-carboxylic acid (CAS 89929-12-4)
- 2-((2-Methylallyl)oxy)isoindoline-1,3-dione (CAS 343319-60-8)
- 1'H-spiro[cyclohexane-1,3'-furo[3,4-c]pyridine]-1',4-dione (CAS 328233-20-1)
- N,N-dipropylpiperidin-4-amine dihydrochloride (CAS 1220037-98-8)
- 3-Keto Sphingosine HCl (CAS 19767-16-9)
- (2S)-2-{[1-(5-fluoropyridin-3-yl)ethyl]amino}-3-methylbutan-1-ol hydrochloride (CAS 1807940-91-5)
- N-(1,3-Dithiolan-2-ylidene)methanamine (CAS 1630-99-5)
- 3-amino-5-fluoro-2-nitrobenzonitrile (CAS 1379335-00-8)
- 4-Acetyl-1-methylpyridin-2(1H)-one (CAS 27330-27-4)
- trans-4-(4-Hydroxyphenyl)cyclohexanol (CAS 65132-43-6)
- 2-((2-Chloro-4-nitrophenoxy)methyl)oxirane (CAS 69114-04-1)
- N-(4-Bromo-2,3-dimethylphenyl)acetamide (CAS 22369-96-6)
- 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
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com