4-Chloro-6-propylthieno[2,3-d]pyrimidine CAS 439692-82-7
| CAS No. | 439692-82-7 |
| Molecular Formula | C9H9ClN2S |
| Molecular Weight | 212.70 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-Chloro-6-propylthieno[2,3-d]pyrimidine (CAS 439692-82-7), a certified reference material (molecular formula C9H9ClN2S, MW 212.70 g/mol) for analytical method development and quality control.
Structurally, 4-Chloro-6-propylthieno[2,3-d]pyrimidine (C9H9ClN2S) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 212.70 g/mol, it falls into the medium-molecular-weight range. 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C9H9ClN2S |
| Molecular Weight | 212.70 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 | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 4-Chloro-2-propylthieno[2,3-d]pyrimidine (CAS 1250679-79-8)
- 4-Chloro-2-(propan-2-yl)thieno[2,3-d]pyrimidine (CAS 1251278-87-1)
- 4-Chloro-2-ethyl-7-methylthieno[3,2-d]pyrimidine (CAS 1388056-60-7)
- 5-Chloro-1-methyl-2-(methylthio)-1H-benzo[d]imidazole (CAS 145543-38-0)
- 4-Chloro-6-ethyl-2-methylthieno[2,3-d]pyrimidine (CAS 152998-85-1)
- 3-Chloro-4-methyl-3a,7a-dihydrobenzo[b]thiophene-2-carbaldehyde (CAS 84258-82-2)
- 4-Chloro-2,5,6-trimethylthieno[2,3-d]pyrimidine (CAS 83548-58-7)
- 4-Chloro-2-isopropylthieno[3,2-d]pyrimidine (CAS 443149-46-0)
Recommended Standards
- 4-Chloro-6-isopropylthieno[2,3-d]pyrimidine (CAS 439692-52-1)
- 5-(Chloromethyl)-1-methyl-3-(thiophen-2-yl)-1H-pyrazole (CAS 876316-96-0)
- 4-Chloro-5-ethyl-6-methylthieno[2,3-d]pyrimidine (CAS 439692-90-7)
- 5-Chloroindoline-1-carbothioamide (CAS 56632-36-1)
- Potassium Hexadecanoate-2,2-d2 (CAS 203805-86-1)
- 6,6-Dimethylbicyclo[3.1.0]hexan-2-one (CAS 1846-48-6)
- N-(2-nitrobenzyl)cycloheptanamine hydrobromide (CAS 1609402-67-6)
- Methyl 7-Bromoquinoline-3-carboxylate (CAS 1001756-23-5)
- 1-(2-Fluoro-3-methylphenyl)ethanone (CAS 865664-05-7)
- Hydrazine-S-methylcarbodithioate (CAS 5397-03-5)
- 2-(Difluoromethyl)-4-methoxy-5-methylpyridine-3-carboxamide (CAS 1806987-89-2)
- 4-Cyclohexyl-1-(cyclopropylmethyl)quinazolin-2(1H)-one (CAS 1956307-91-7)
- n-(2-(Piperidin-1-yl)ethyl)propionamide (CAS 79315-00-7)
- Tirzepatide Impurity 13 (CAS CATO-C4X-324013)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com