4-Chlorothieno[3,2-d]pyrimidine-6-carboxylic Acid CAS 875515-76-7
| CAS No. | 875515-76-7 |
| Molecular Formula | C7H3ClN2O2S |
| Molecular Weight | 214.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 214.63 g/mol gives 4-Chlorothieno[3,2-d]pyrimidine-6-carboxylic Acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 4-Chlorothieno[3,2-d]pyrimidine-6-carboxylic Acid (CAS 875515-76-7), a certified reference material (molecular formula C7H3ClN2O2S, MW 214.63 g/mol) for analytical method development and quality control.
4-Chlorothieno[3,2-d]pyrimidine-6-carboxylic Acid (C7H3ClN2O2S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. It is notably hygroscopic, halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 4-Chlorothieno[3,2-d]pyrimidine-6-carboxylic Acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C7H3ClN2O2S |
| Molecular Weight | 214.63 g/mol |
| 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 DMSO, DMF, methanol |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Chlorothieno Standards
- 2-Chlorothieno[3,2-d]pyrimidine-7-carboxylic acid (CAS 1356016-36-8)
- 7-Chlorothieno[2,3-b]pyrazine-6-carboxylic acid (CAS 1368311-23-2)
- 4-chlorothieno[2,3-d]pyridazine-7-carboxylic acid (CAS 1638768-45-2)
- 2-Chlorothieno[2,3-b]pyrazine-7-carboxylic acid (CAS 1812188-70-7)
- 4-Chlorothieno[2,3-d]pyrimidine-6-carboxylic Acid (CAS 86825-96-9)
- 4-Chlorothieno[2,3-d]pyrimidine-6-boronic acid (CAS 2377608-11-0)
- 6-Chlorothieno[3,2-b]pyridine-3-carboxylic acid (CAS 1146081-35-7)
- 5-Chlorothieno[3,2-b]pyridine-6-carboxylic acid (CAS 117390-36-0)
Recommended Standards
- 5-Chloro-6-nitrobenzo[d]thiazole (CAS 85123-28-0)
- 4-Chloro-5-nitrobenzo[d]thiazole (CAS 2411087-55-1)
- 5-Oxo-5H-thiazolo[3,2-a]pyrimidine-6-carbonyl chloride (CAS 76661-92-2)
- 2-Chloro-7-nitro-1,3-benzothiazole (CAS 2942-22-5)
- N-[[N-Methyl-N-[(2-isopropyl-1,1,1,3,3,3-d6]-4-thiazolyl)methyl)amino]carbonyl-L-valine Methyl Ester (CAS 1331897-89-2)
- N-((1-methyl-1H-indol-4-yl)methyl)cyclopropanamine (CAS 1342996-09-1)
- Deuterated Phthalate MIX 16 (CAS CATO-MPAE111844-HE)
- N-[3-Fluoro-4-(4-phenylpiperazin-1-yl)phenyl]-4-methoxybenzamide (CAS 478079-63-9)
- Benzyl(2-methyl-1-nitropropan-2-yl)sulfane (CAS 105780-12-9)
- (2E)-3-(6-Bromo-2H-1,3-benzodioxol-5-yl)-1-[4-(2-fluorophenyl)piperazin-1-yl]prop-2-en-1-one (CAS 478078-33-0)
- tert-Butyl 4-(3-ethynylazetidin-1-yl)piperidine-1-carboxylate (CAS 2505498-79-1)
- 6-Chloro-4-(chloromethyl)-5-(difluoromethyl)pyridin-3-ol (CAS 1806929-53-2)
- 6-Chloro-3,5-diamino-2-pyrazinecarboxamide (CAS 14236-57-8)
- D-Ile17-Tirzepatide (CAS CATO-CPTD788917)
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