3-(4-Oxo-2-thioxo-1,2,4,5-tetrahydro-3H-pyrimido[5,4-b]indol-3-yl)propanoic acid CAS 1351398-18-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1351398-18-9 |
| Molecular Formula | C13H11N3O3S |
| Molecular Weight | 289.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(4-Oxo-2-thioxo-1,2,4,5-tetrahydro-3H-pyrimido[5,4-b]indol-3-yl)propanoic acid (CAS 1351398-18-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C13H11N3O3S. Molecular weight: 289.31 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C13H11N3O3S |
| Molecular Weight | 289.31 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Oxo Standards
- 3-(3-Oxo-5-thioxo-2,3,5,6-tetrahydroimidazo[1,2-c]quinazolin-2-yl)propanoic acid (CAS 1370591-91-5)
- N-(5-Thioxo-4,5-dihydro-1,3,4-thiadiazol-2-yl)decanamide (CAS 62314-86-7)
- 2-Thioxo-3-[3-(trifluoromethyl)benzyl]-4-thiazolidinone (CAS 1482462-71-4)
- 2-Thioxo-5-(4-(trifluoromethyl)benzyl)thiazolidin-4-one (CAS 905267-14-3)
- 4-((3-Methyl-5-thioxo-1H-1,2,4-triazol-4(5H)-yl)amino)benzenesulfonic acid (CAS 53131-82-1)
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- 2-Thioxo-2,3-dihydro-1H-spiro[benzo[h]quinazoline-5,1'-cyclopentan]-4(6H)-one (CAS 286000-28-0)
- 2-Thioxo-6-(p-tolyl)-4-(trifluoromethyl)-1,2-dihydropyridine-3-carbonitrile (CAS 608491-88-9)
Recommended Standards
- 4-(p-Tolyl)-2H-pyrido[2,3-e][1,2,4]thiadiazin-3(4H)-one 1,1-dioxide (CAS 1341010-36-3)
- (4-Aminopiperidin-1-yl)(1-(3-fluorophenyl)-1H-1,2,3-triazol-4-yl)methanone (CAS 1351843-00-9)
- 2-Amino-4-(4-fluorophenyl)-6-phenylpyridine-3-carbonitrile (CAS 126202-91-3)
- 2-Amino-n-butylpentanamide (CAS 1218011-66-5)
- 1-((2-Chloro-6-fluorobenzyl)oxy)-2-(4-chlorophenyl)-1H-benzo[d]imidazole (CAS 338791-32-5)
- 4-((Diethylamino)methyl)aniline hydrochloride (CAS 1204811-84-6)
- 1-Pentacosanol (CAS 26040-98-2)
- 6-Ethyl-2,3,4,9-tetrahydro-1H-carbazol-1-ol (CAS 1245569-90-7)
- Phenyl 2-((2-((4-chlorophenyl)amino)-2-oxoethyl)thio)-1H-benzo[d]imidazole-1-carboxylate (CAS 845879-37-0)
- Myristoyl Pentapeptide-4 (CAS 1392416-25-9)
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