4-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyridine-2-carboxylic acid CAS 2138409-62-6
| CAS No. | 2138409-62-6 |
| Molecular Formula | C23H21N3O4 |
| Molecular Weight | 403.43 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 4-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyridine-2-carboxylic acid.
4-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyridine-2-carboxylic acid (CAS 2138409-62-6), molecular formula C23H21N3O4 and molecular weight 403.43 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C23H21N3O4, 4-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyridine-2-carboxylic acid contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 403.43 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 4-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyridine-2-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 | C23H21N3O4 |
| Molecular Weight | 403.43 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Nitrogen Atoms | 3 |
Related H Standards
- 2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2-(4-methoxyphenyl)acetic acid (CAS 1028530-29-1)
- 2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2-(2-methoxyphenyl)acetic acid (CAS 1219183-23-9)
- 2-(1-((((9h-Fluoren-9-yl)methoxy)carbonyl)amino)cyclobutyl)-1h-imidazole-4-carboxylic acid (CAS 1343748-35-5)
- 4-((((9h-Fluoren-9-yl)methoxy)carbonyl)(2-hydroxyethyl)amino)benzoic acid (CAS 1343862-60-1)
- 2-((((9h-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(3-hydroxyphenyl)propanoic acid (CAS 138775-49-2)
- 2-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}-3-(4-hydroxyphenyl)propanoic acid (CAS 174879-26-6)
- 2-(4-(((((9H-fluoren-9-yl)methoxy)carbonyl)amino)methyl)phenoxy)acetic acid (CAS 721939-61-3)
- 4-[2-({[(9h-fluoren-9-yl)methoxy]carbonyl}amino)ethoxy]benzoic acid (CAS 882847-29-2)
Recommended Standards
- 3-(2,5-Dimethoxyphenyl)-N-(naphthalen-1-yl)-2-(2H-1,2,3,4-tetrazol-5-yl)propanamide (CAS 483995-61-5)
- 3-(2,4-Dimethoxyphenyl)-N-(naphthalen-1-yl)-2-(2H-1,2,3,4-tetrazol-5-yl)propanamide (CAS 483995-10-4)
- 4-Bromo-5-((triisopropylsilyl)ethynyl)naphthalen-2-ol (CAS 2454490-94-7)
- 2-(4-Methoxyphenyl)-4-(pyren-1-ylmethylene)oxazol-5(4H)-one (CAS 88351-58-0)
- 3-Chloro-1,5-naphthyridine (CAS 1309379-14-3)
- Cyclopentylmagnesium chloride (CAS 32916-51-1)
- Vandetanib-d6 (CAS 1174683-49-8)
- Sodium 8-aminonaphthalene-1-carboxylate (CAS 17937-06-3)
- trans-1,2-Dithiane-4,5-diol (CAS 14193-38-5)
- 2,5-Dichloropyridine-3-sulfonyl chloride (CAS 1208081-36-0)
- 4,5,6,7-tetrahydropyrazolo[1,5-a]pyridine-2-carboxylic acid (CAS 307313-03-7)
- (11bR)-4-Hydroxydinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepine 4-oxide compound with (1R,2S)-1-(6-bromo-2-methoxyquinolin-3-yl)-4-(dimethylamino)-2-(naphthalen-1-yl)-1-phenylbutan-2-ol(1:1) (CAS 916329-20-9)
- 4-(Carboxymethoxy)benzoic acid (CAS 19360-67-9)
- Insulin Glargine (CAS 160337-95-1)
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