4-(4-Chloro-1H-indazol-1-yl)-4-oxobutanoic acid CAS 902938-00-5
| CAS No. | 902938-00-5 |
| Molecular Formula | C11H9ClN2O3 |
| Molecular Weight | 252.65 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-(4-Chloro-1H-indazol-1-yl)-4-oxobutanoic acid.
4-(4-Chloro-1H-indazol-1-yl)-4-oxobutanoic acid (CAS 902938-00-5) is a high-purity analytical reference standard with the molecular formula C11H9ClN2O3 and a molecular weight of 252.65 g/mol.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, 4-(4-Chloro-1H-indazol-1-yl)-4-oxobutanoic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 252.65 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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 4-(4-Chloro-1H-indazol-1-yl)-4-oxobutanoic 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 | C11H9ClN2O3 |
| Molecular Weight | 252.65 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
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- 4-Chloro-1-ethyl-3-nitroquinolin-2(1H)-one (CAS 433310-26-0)
- 1-((2-Chloro-4-nitrophenoxy)methyl)-1h-pyrazole-3-carboxylic acid (CAS 1004193-30-9)
- 1-{[2-(aminomethyl)phenyl]methyl}pyrrolidin-2-one hydrochloride (CAS 1172953-70-6)
- N-(5-(Thiophen-3-yl)-1,3,4-oxadiazol-2-yl)isoxazole-5-carboxamide (CAS 1251692-40-6)
- 3,3-Dimethyl-2-(2-oxoimidazolidin-1-yl)butanoic acid (CAS 1341358-38-0)
- 2-Bromo-4-hydroxy-5-methoxyisophthalonitrile (CAS 1498322-36-3)
- 3,4-DIMETHYLPIPERIDIN-4-OL HCL (CAS 1951444-36-2)
- Rac-(1r,2s)-1-{[(tert-butoxy)carbonyl]amino}-2-phenylcyclopropane-1-carboxylic acid, cis (CAS 99200-89-2)
- Di-tert-butyl 2,2'-((2-(2-(2-(bis(2-(tert-butoxy)-2-oxoethyl)amino)-5-bromophenoxy)ethoxy)-4-methylphenyl)azanediyl)diacetate (CAS 125663-37-8)
- trichlorofuran-2-carboxylic acid (CAS 32417-81-5)
- Semaglutide Impurity 14(Discontinued,See CPTD788307 ) (CAS CATO-C4X-222614)
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