2H-chromene-8-carboxylic acid CAS 1935147-76-4
| CAS No. | 1935147-76-4 |
| Molecular Formula | C10H8O3 |
| Molecular Weight | 176.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies 2H-chromene-8-carboxylic acid (CAS 1935147-76-4), a certified reference material (molecular formula C10H8O3, MW 176.17 g/mol) for analytical method development and quality control.
Based on its molecular formula C10H8O3, 2H-chromene-8-carboxylic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 176.17 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).
CATO manufactures 2H-chromene-8-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 | C10H8O3 |
| Molecular Weight | 176.17 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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 |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
Related H Standards
- 2H-Chromene-3-carboxylic acid (CAS 22649-28-1)
- 2H-Chromene-5-carboxylic acid (CAS 843652-50-6)
- 2H-chromene-6-carboxylic acid (CAS 527681-43-2)
- 4H-Chromene-2-carboxylic acid (CAS 67283-74-3)
- 2h-Chromene-3-carboxamide (CAS 10185-00-9)
- 2H-chromene-3-carbaldehyde (CAS 51593-69-2)
- 2H-chromene-3-carbothioamide (CAS 423768-57-4)
- 2H-Chromene-3-carbonyl chloride (CAS 41873-72-7)
Recommended Standards
- 2-Amino-3H-indole-3-carboxylic acid (CAS 1934389-12-4)
- 2-(2-Aminooxazol-5-yl)phenol (CAS 1936585-86-2)
- Methyl 1H-indazole-4-carboxylate (CAS 192945-49-6)
- 3-(2-Aminooxazol-5-yl)phenol (CAS 1936592-69-6)
- 4-(Trifluoromethyl)-L-phenylalanine (CAS 114926-38-4)
- 2,3-Dihydroxypropyl (2-oleamidoethyl) hydrogen phosphate (CAS 201738-24-1)
- 3,5-Dimethyl-4-[(2-nitrophenyl)thio]-1H-pyrazole (CAS 92289-98-0)
- 2-(Tert-butylthio)-1-(2-chlorophenyl)ethan-1-one (CAS 1152850-85-5)
- 3-(4-Chlorophenyl)pentan-3-ol (CAS 76481-35-1)
- [(2-Fluorophenyl)methyl](prop-2-en-1-yl)amine (CAS 626218-15-3)
- Atrasentan Impurity 141 (CAS 1058349-21-5)
- 1-Bromoethyl phenyl carbonate (CAS 104483-32-1)
- Ethyl 4-(2-aminoethyl)benzoate hydrochloride (CAS 64353-34-0)
- [His]1-Acetylated Semaglutide (CAS CATO-C4X-2226219)
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