4-Chloro-7-methyl-2-(pyridin-3-yl)-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidine CAS 794582-27-7
| CAS No. | 794582-27-7 |
| Molecular Formula | C16H14ClN3S |
| Molecular Weight | 315.82 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C16H14ClN3S, 4-Chloro-7-methyl-2-(pyridin-3-yl)-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidine contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 315.82 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 supplies 4-Chloro-7-methyl-2-(pyridin-3-yl)-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidine (CAS 794582-27-7), a certified reference material (molecular formula C16H14ClN3S, MW 315.82 g/mol) for analytical method development and quality control.
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.
CATO manufactures 4-Chloro-7-methyl-2-(pyridin-3-yl)-5,6,7,8-tetrahydrobenzo[4,5]thieno[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 | C16H14ClN3S |
| Molecular Weight | 315.82 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 3-(4-Chlorophenyl)-5-{[(4-methylphenyl)sulfanyl]methyl}-1,2-oxazole (CAS 478048-80-5)
- 5-(2-Chlorophenyl)-4-(2,5-dimethylphenyl)-4H-1,2,4-triazole-3-thiol (CAS 519152-66-0)
- 2-(Chloromethyl)-N,N-dimethyl-1-propyl-1H-benzo[d]imidazole-5-sulfonamide (CAS 852933-08-5)
- 2-((4-Chlorobenzyl)thio)-1-methyl-1H-indole-3-carbaldehyde (CAS 338416-58-3)
- 3-Cyclopropyl-1-methyl-4-nitro-1H-pyrazol-5-amine (CAS 1558136-69-8)
- 4-(piperidin-3-yl)pyridine dihydrochloride (CAS 143924-46-3)
- perrhenic acid solution (CAS 13768-11-1)
- Dimethyl 3,3'-(phenylazanediyl)dipropanoate (CAS 53733-94-1)
- Zinc Carbonate Hydroxide dihydrate (CAS 5970-47-8)
- 2-(2-Bromo-6-ethoxy-4-formylphenoxy)-n,n-dimethylacetamide (CAS 732291-89-3)
- 3,5-Dichloro-4-fluoro-2-hydroxybenzoic acid (CAS 189283-53-2)
- V-T-C-G (CAS 131204-46-1)
- 2-Methyl-4-oxo-4H-pyran-3-yl 2-acetoxybenzoate (CAS 147249-33-0)
- Biotinyl-Neuropeptide W-23 (human) (CAS 1815618-09-7)
Why CATO?
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