2-(Chloromethyl)thieno[3,2-d]pyrimidin-4-amine CAS 77294-21-4
| CAS No. | 77294-21-4 |
| Molecular Formula | C7H6ClN3S |
| Molecular Weight | 199.66 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 2-(Chloromethyl)thieno[3,2-d]pyrimidin-4-amine.
2-(Chloromethyl)thieno[3,2-d]pyrimidin-4-amine (CAS 77294-21-4), molecular formula C7H6ClN3S and molecular weight 199.66 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H6ClN3S, 2-(Chloromethyl)thieno[3,2-d]pyrimidin-4-amine contains a nitrile group, sulfur-containing functionality, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 199.66 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).
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), 2-(Chloromethyl)thieno[3,2-d]pyrimidin-4-amine 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 | C7H6ClN3S |
| Molecular Weight | 199.66 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.) | 1979 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Chloromethyl Standards
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- 5-(chloromethyl)-3-(thiophen-2-yl)-1H-1,2,4-triazole (CAS 1394041-97-4)
- 4-(chloromethyl)-5-(thiophen-2-yl)-1,2-oxazole (CAS 1423031-02-0)
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Recommended Standards
- 2-((4-Chloro-6-methylpyrimidin-2-yl)thio)acetonitrile (CAS 56605-40-4)
- 2-Chloro-1-methoxy-4-thiocyanatobenzene (CAS 89818-36-0)
- (E)-({6-chloroimidazo[2,1-b][1,3]thiazol-5-yl}methylidene)(methyl)amine (CAS 477851-59-5)
- 2-chloro-4-isothiocyanato-1-methoxybenzene (CAS 23165-42-6)
- 4-Ethoxy-N-methoxy-N-methylbenzamide (CAS 1221341-06-5)
- Methylenetriphenylphosphine (CAS 3487-44-3)
- 2-Chloro-3-(difluoromethyl)-6-methoxyisonicotinonitrile (CAS 1805400-89-8)
- Methyl 3-carbamoyl-4-nitrobenzoate (CAS 76143-34-5)
- Benzyl (5-aminobicyclo[3.1.1]Heptan-1-yl)carbamate (CAS 1439907-87-5)
- 1-(5-(4-Aminophenoxy)pentyl)pyrrolidine-2,5-dione (CAS 101496-69-9)
- tert-butyl 5-azaspiro[3.4]oct-7-ene-5-carboxylate (CAS 1955548-11-4)
- (4-Propoxyphenyl)methanol (CAS 90925-43-2)
- Cefaclor Impurity 33 (CAS CATO-C4X-127033)
- Hexapeptide-9 (CAS 885024-94-2)
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