4,6-dichlorothieno[2,3-d]pyrimidine CAS 1638764-42-7
| CAS No. | 1638764-42-7 |
| Molecular Formula | C6H10Cl2N2S |
| Molecular Weight | 213.13 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 4,6-dichlorothieno[2,3-d]pyrimidine.
4,6-dichlorothieno[2,3-d]pyrimidine (CAS 1638764-42-7) is a high-purity analytical reference standard with the molecular formula C6H10Cl2N2S and a molecular weight of 213.13 g/mol.
4,6-dichlorothieno[2,3-d]pyrimidine (C6H10Cl2N2S) contains a nitrile group, sulfur-containing functionality, chlorine substitution. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 4,6-dichlorothieno[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.
Physical & Chemical Properties
| Molecular Formula | C6H10Cl2N2S |
| Molecular Weight | 213.13 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1993 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related dichlorothieno Standards
- 2,4-Dichlorothieno[2,3-d]pyrimidine (CAS 18740-39-1)
- 5,7-dichlorothieno[2,3-c]pyridine (CAS 1326715-01-8)
- 4,6-dichlorothieno[2,3-b]pyridine (CAS 99429-80-8)
- 4,6-dichlorothieno[3,2-c]pyridine (CAS 2090989-47-0)
- 5,7-dichlorothieno[3,2-b]pyridine (CAS 74695-44-6)
- 2,5-Dichlorothieno[3,2-b]thiophene (CAS 39076-88-5)
- 4,5-Dichlorothieno[2,3-d]pyrimidine (CAS 137240-10-9)
- 2,4-Dichlorothieno[3,2-d]pyrimidine, 97% (CAS 16234-14-3)
Recommended Standards
- 3-Methyl-1-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)butan-1-amine (CAS 97532-80-4)
- 3-azido-5-(trifluoromethyl)pyridine-2-carbonitrile (CAS 338420-29-4)
- (S)-2-Amino-5-(phosphonooxy)pentanoic acid (CAS 83646-63-3)
- 2-Methyl-1-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)butan-1-amine (CAS 99503-55-6)
- G2013 (CAS 1986-15-8)
- 1-(Thieno[3,2-c]pyridin-2-yl)ethan-1-amine (CAS 1313726-88-3)
- 5-Bromoisoquinoline-4-carboxylic acid (CAS 1384251-84-6)
- Dimethyl hexadecanedioate (CAS 19102-90-0)
- 3-Fluoro-4-methoxypyrrolidine hydrochloride (CAS 1622351-31-8)
- 1,4-dioxan-2-ylmethanesulfonamide (CAS 1566799-63-0)
- 2-Amino-N-ethyl-N-(3-methoxybenzyl)acetamide (CAS 1353959-53-1)
- Di(1H-pyrazol-1-yl)methanone (CAS 37868-93-2)
- 2,5,6-Trimethyl-4-nitro-1H-benzo[d]imidazole (CAS 173037-03-1)
- Semaglutide Impurity 1(OtBu-Ste-D-γGlu(OtBu)-AEEA-AEEA-OH) (CAS CATO-C4X-22261)
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