5-(Butylthio)-1,3-dimethyl-6-propylpyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione CAS 899940-65-9
| CAS No. | 899940-65-9 |
| Molecular Formula | C16H23N3O2S |
| Molecular Weight | 321.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, 5-(Butylthio)-1,3-dimethyl-6-propylpyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 321.44 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
5-(Butylthio)-1,3-dimethyl-6-propylpyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione (CAS 899940-65-9) is a high-purity analytical reference standard with the molecular formula C16H23N3O2S and a molecular weight of 321.44 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 5-(Butylthio)-1,3-dimethyl-6-propylpyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione 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 | C16H23N3O2S |
| Molecular Weight | 321.44 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Butylthio Standards
- 2-(Butylthio)-4-(2-chlorophenyl)-6-oxo-1,4,5,6-tetrahydropyridine-3-carbonitrile (CAS 375352-62-8)
- 8-(Butylthio)-1,3-dimethyl-7-(2-methylallyl)-3,7-dihydro-1H-purine-2,6-dione (CAS 372500-31-7)
- 5-(Butylthio)-7-cyclopropyl-1,3-dimethylpyrimido[4,5-d]pyrimidine-2,4(1H,3H)-dione (CAS 863002-90-8)
- 1-(2-(Tert-butylthio)ethyl)-3-(3-(trifluoromethyl)phenyl)urea (CAS 866008-90-4)
- 2-(((5-(Butylthio)-4-methyl-4H-1,2,4-triazol-3-yl)methyl)thio)-4,6-dimethylpyrimidine (CAS 868221-98-1)
- 2-((2-(Tert-butylthio)ethyl)amino)-3-chloronaphthalene-1,4-dione (CAS 866008-89-1)
- 2-(sec-Butylthio)-6-(naphthalen-2-ylmethyl)pyrimidin-4(1H)-one (CAS 189057-61-2)
- S-(2-(Butylthio)ethyl) O-ethyl cyclohexylphosphonothioate (CAS 63811-80-3)
Recommended Standards
- 3-(tert-Butoxycarbonyl)-1,1-dimethyl-1,2,3,4-tetrahydrobenzo[d][1,3]azasiline-4-carboxylic acid (CAS 2222440-54-0)
- Almotriptan EP Impurity A (CAS 334981-12-3)
- 3-(Isobutylthio)-5,6-diphenyl-1,2,4-triazine (CAS 353479-43-3)
- N-cyclohexyl-4-(furan-2-carbonyl)piperazine-1-carbothioamide (CAS 452944-15-9)
- 2’,4’-Dichloro-5’-fluoro-2-hydroxyacetophenone (CAS 1543236-82-3)
- 2-Methoxy-4-(trifluoromethoxy)benzyl bromide (CAS 886500-35-2)
- 6-bromo-8-methyl-4H-chromen-4-one (CAS 2924579-97-3)
- 2-((4-Phenoxyphenyl)carbamoyl)cyclopropane-1-carboxylic acid (CAS 1023810-84-5)
- 2-(4-methyl-2-oxidanylidene-chromen-7-yl)oxyethanoate 2-[(4-methyl-2-oxo-1-benzopyran-7-yl)oxy]acetate 64700-15-8 A834859 (CAS 64700-15-8)
- 1-(3-(2-Methoxy-4-nitrophenoxy)propyl)piperidine (CAS 136616-34-7)
- 4-amino-5-fluoropentanoic acid hydrochloride (CAS 124211-07-0)
- 231301-30-7 1-Acetyl-4-bromo-3(5)-[tetrafluoro-1-(heptafluoro-1-propoxyethyl)]-5(3)-(methyl)pyrazole MFCD00153617 (CAS 231301-30-7)
- 1-(3-Bromopropyl)-1,2,3-triazole (CAS 1645260-78-1)
- Peptide 441 (CAS CATO-CPTD788441)
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