2-Bromo-6-fluoro-7-methyl-5H-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one CAS 1352052-18-6
| CAS No. | 1352052-18-6 |
| Molecular Formula | C6H3BrFN3OS |
| Molecular Weight | 264.07 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-Bromo-6-fluoro-7-methyl-5H-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one.
2-Bromo-6-fluoro-7-methyl-5H-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one (CAS 1352052-18-6) is a high-purity analytical reference standard with the molecular formula C6H3BrFN3OS and a molecular weight of 264.07 g/mol.
Based on its molecular formula C6H3BrFN3OS, 2-Bromo-6-fluoro-7-methyl-5H-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, fluorine/bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 264.07 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-Bromo-6-fluoro-7-methyl-5H-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one 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 | C6H3BrFN3OS |
| Molecular Weight | 264.07 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.) | 1991 |
| Halogen Content | F/Br-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Bromo Standards
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- (S)-5-bromo-7,8-difluoro-3-methyl-3,4-dihydro-2H-benzo[b][1,4]oxazine (CAS 2250039-90-6)
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Recommended Standards
- Perfluoroisobenzofuran (CAS 122180-11-4)
- 2,3,5,6-Tetrafluoro-4-trifluoromethyl-benzoylfluoride (CAS 117338-23-5)
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- 2-[1-(3,6-dichloropyridazin-4-yl)-N-methylformamido]acetic acid (CAS 1098389-56-0)
- Triphenyl(tridecyl)phosphonium bromide (CAS 13266-02-9)
- 2-(O-tolyl)oxazole-4-carbaldehyde (CAS 154136-88-6)
- 4-Methyl-2-Hydrazinobenzothiazole (CAS 20174-68-9)
- 1-(4-(4-Chlorophenyl)thiazol-2-yl)-N-(4-methylbenzyl)-5-(trifluoromethyl)-1H-pyrazole-4-carboxamide (CAS 321998-53-2)
- rel-(1R,2R)-2-(pent-4-en-1-yl)cyclopropan-1-ol (CAS 1384277-05-7)
- 1-Heptafluorobutyryl-3(5)-(perfluoro-1-hexyl)-5(3)-(trifluoromethyl)pyrazole (CAS 959577-52-7)
- ((2R,3S,5S)-5-Ethoxy-3-isopropoxytetrahydrofuran-2-yl)methanol (CAS 146764-52-5)
- 2-(Pentan-2-yloxy)aniline (CAS 27125-86-6)
- N-Isobutyl 4-(aminomethyl)benzamide (CAS 926184-95-4)
- Endo-Gly29-Tirzepatide (CAS CATO-CPTD788685)
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