2,6-Dithioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylic acid CAS 6307-60-4
| CAS No. | 6307-60-4 |
| Molecular Formula | C5H4N2O2S2 |
| Molecular Weight | 188.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
2,6-Dithioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylic acid (CAS 6307-60-4) is a high-purity analytical reference standard with the molecular formula C5H4N2O2S2 and a molecular weight of 188.23 g/mol.
Based on its molecular formula C5H4N2O2S2, 2,6-Dithioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylic acid contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 188.23 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 manufactures 2,6-Dithioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylic acid 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 | C5H4N2O2S2 |
| Molecular Weight | 188.23 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Related Dithioxo Standards
- 2-((4,6-Dithioxo-1,4,5,6-tetrahydro-1,3,5-triazin-2-yl)amino)acetic acid (CAS 89482-27-9)
- 2-((2,6-Dithioxo-1,2,3,6-tetrahydropyrimidin-4-yl)(methyl)amino)acetic acid (CAS 194982-72-4)
- N-(3,5-Dithioxo-1,2,4-triazolidin-4-yl)benzamide (CAS 500545-54-0)
- 3-(3,5-Dithioxo-1,2,4-triazolidin-4-yl)benzoic acid (CAS 143214-28-2)
- 3-Phenyl-2,5-dithioxo-2,3,5,6-tetrahydrothiazolo[4,5-d]pyrimidin-7(4H)-one (CAS 189895-61-2)
- 2,5-Dithioxo-3-(p-tolyl)-2,3,5,6-tetrahydrothiazolo[4,5-d]pyrimidin-7(4H)-one (CAS 1325304-08-2)
- N-(2,4-Dithioxo-1,2-dihydroquinazolin-3(4H)-yl)benzamide (CAS 88518-12-1)
- N-(2,4-Dithioxo-1,2-dihydroquinazolin-3(4H)-yl)-4-methylbenzamide (CAS 88518-13-2)
Recommended Standards
- 2,6,8-trimethyl-1,4-dihydro-1,7-naphthyridin-4-one (CAS 51551-24-7)
- 2-[4-(4H-1,2,4-triazol-4-yl)phenyl]ethan-1-amine (CAS 714568-70-4)
- 2,6,7-Trimethylpyrrolo[1,2-a]pyrimidine-8-carbaldehyde (CAS 61915-57-9)
- 2-{[1,2,4]triazolo[3,4-a]pyridin-3-yl}pyrrolidine (CAS 900641-54-5)
- 2-Isopropoxy-2-methylpropanoic acid (CAS 17860-04-7)
- (2,5,6-Trichloropyridin-3-yl)methanol (CAS 55483-86-8)
- 5-(Benzyloxy)-3-bromo-1h-indole (CAS 569337-39-9)
- 2-(4-Chlorophenoxy)-2,2-difluoro-N-(4-(trifluoromethyl)phenyl)acetamide (CAS 250714-68-2)
- tert-Butyl 6-bromo-3-formyl-1H-indole-1-carboxylate (CAS 93862-70-5)
- Bis(1,1-dimethylethyl)[4-methoxy-3,5,6-trimethyl-2',4',6'-tris(1-methylethyl)[1,1'-biphenyl]-2-yl]phosphine (CAS 1359986-21-2)
- Cyclophosphamide EP Impurity D (CAS 158401-52-6)
- 4-Amino-1-[3,3-difluoro-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-1,2-dihydropyrimidin-2-one (CAS 701937-51-1)
- (2R)-2-Azido-3-hydroxy-2-methyl-propanoic Acid (CAS 1217606-86-4)
- Influenza PR8 Hemagglutinin Peptide (110-119) (H-6312.0005) (CAS 132031-50-6)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com