4-chloro-6-iodothieno[2,3-d]pyrimidine CAS 552295-08-6
| CAS No. | 552295-08-6 |
| Molecular Formula | C6H10ClIN2S |
| Molecular Weight | 304.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 4-chloro-6-iodothieno[2,3-d]pyrimidine 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.
4-chloro-6-iodothieno[2,3-d]pyrimidine (CAS 552295-08-6), molecular formula C6H10ClIN2S and molecular weight 304.58 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-chloro-6-iodothieno[2,3-d]pyrimidine (C6H10ClIN2S) contains a nitrile group, sulfur-containing functionality, chlorine/iodine substitution. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 304.58 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C6H10ClIN2S |
| Molecular Weight | 304.58 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1984 |
| Halogen Content | Cl/I-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related chloro Standards
- 1-Chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)naphthalen-2-ol (CAS 2773311-26-3)
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- 4-chloro-6-iodothieno[3,2-d]pyrimidine (CAS 225382-62-7)
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Recommended Standards
- 3,6-Dichloro-2-(5-chlorothiophen-2-yl)imidazo[1,2-b]pyridazine (CAS 483367-55-1)
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- Fluralaner impurity 45 (CAS CATO-C4X-218045)
- tert-butyldimethylsilyl 2-[(tert-butyldimethylsilyl)oxy]acetate (CAS 67226-76-0)
- 2-Cyclobutoxy-5-fluoroaniline (CAS 1249021-10-0)
- 3-(piperidin-3-yl)prop-2-ynoic acid hydrochloride (CAS 1955523-88-2)
- Methyl 2-amino-1-(2-hydroxyethyl)-1H-pyrrolo[2,3-b]quinoxaline-3-carboxylate (CAS 433706-93-5)
- Ethyl 1-(cyanomethyl)-1H-pyrazole-3-carboxylate (CAS 1217863-08-5)
- 4-Bromo-2-chloro-3-(trifluoromethyl)pyridine (CAS 1211589-92-2)
- 4-(3-Chloro-4-fluorophenoxy)-6-nitroquinoline-3-carbonitrile (CAS 928779-54-8)
- 3-Cyclopropoxy-2-ethyl-N-methylisonicotinamide (CAS 1243290-16-5)
- 2-((Triisopropylsilyl)oxy)acetohydrazide (CAS 622373-93-7)
- (Ethane-1,2-diylbis(oxy))bis(ethane-2,1-diyl) dioctanoate (CAS 106-10-5)
- Cyclolinopeptide B (CAS 193139-41-2)
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