4,5,6-trichloro-2-(methylthio)pyrimidine CAS 6693-10-3
| CAS No. | 6693-10-3 |
| Molecular Formula | C18H24O5S |
| Molecular Weight | 352.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C18H24O5S, 4,5,6-trichloro-2-(methylthio)pyrimidine contains a flavonoid core, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 352.45 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO supplies 4,5,6-trichloro-2-(methylthio)pyrimidine (CAS 6693-10-3), a certified reference material (molecular formula C18H24O5S, MW 352.45 g/mol) for analytical method development and quality control.
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), 4,5,6-trichloro-2-(methylthio)pyrimidine 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 | C18H24O5S |
| Molecular Weight | 352.45 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Sulfur Atoms | 1 |
Related trichloro Standards
- 2,2,2-Trichloro-1-(4-(2,6-difluorobenzoyl)-1H-pyrrol-2-yl)ethan-1-one (CAS 338403-94-4)
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- 2,2,2-Trichloro-1-(4-(2-chlorobenzoyl)-1H-pyrrol-2-yl)ethan-1-one (CAS 338403-91-1)
- 2,2,2-Trichloro-1-[4-(4-chlorobenzoyl)-1H-pyrrol-2-yl]-1-ethanone (CAS 303995-90-6)
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Recommended Standards
- 4-(Octadecyloxy)aniline (CAS 4105-89-9)
- 4,6-Dimethyl-N-phenyl-3-(o-tolylsulfonyl)pyridin-2-amine (CAS 338956-82-4)
- 4-(2-Hydroxyethyl)-5-methyl-1-((2,3,4,5,6-pentamethylphenyl)sulfonyl)-1,2-dihydro-3H-pyrazol-3-one (CAS 861207-39-8)
- 4-Hydroxy-1-methyl-N-phenyl-1H-thieno[3,2-c][1,2]thiazine-3-carbothioamide 2,2-dioxide (CAS 303987-83-9)
- 1-(2-Bromo-ethylsulfanyl)-1,1,2,2,2-pentafluoro-ethane (CAS 1401687-60-2)
- 4-(Trifluoromethyl)thiophen-2-amine (CAS 777846-37-4)
- (S)-Benzyl ((1-(2-amino-3-methylbutanoyl)piperidin-4-yl)methyl)carbamate (CAS 1354009-36-1)
- 3,4-Dihydroxy-5-nitrobenzonitrile (CAS 116313-86-1)
- 1-triisopropylsilylpyrrol-3-ol (CAS 1394952-31-8)
- Flamprop-M-Isopropyl (CAS 63782-90-1)
- 2-(5-(M-tolylamino)-1,3,4-thiadiazol-2-yl)acetohydrazide (CAS 1326865-09-1)
- (E)-2-((3-chloro-5-(trifluoromethyl)pyridin-2-yl)thio)-4-(2,4-dichlorostyryl)pyrimidine (CAS 338959-86-7)
- 2-(4-Amino-3,5-dimethyl-1h-pyrazol-1-yl)butanamide (CAS 1341416-41-8)
- Des-Ser39-Tirzepatide (CAS CATO-CPTD788936)
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