(7,9-dimethyl-4-oxopyrido[3’,2’:4,5]thieno[3,2-d]pyrimidin-3(4H)-yl)acetic acid CAS 852956-33-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 852956-33-3 |
| Molecular Formula | C13H11N3O3S |
| Molecular Weight | 289.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(7,9-dimethyl-4-oxopyrido[3’,2’:4,5]thieno[3,2-d]pyrimidin-3(4H)-yl)acetic acid (CAS 852956-33-3) 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.) | 1987 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 1858251-60-1 (5,5-Dioxido-6H-dibenzo[c,e][1,2]thiazin-6-yl)acetic acid MFCD28954555 (CAS 1858251-60-1)
- (Z)-1-(Furan-2-yl)-4-methoxy-1,4-dioxo-3-(pyridin-1-ium-1-yl)but-2-ene-2-thiolate (CAS 2417676-86-7)
- 6-Methyl-6H-dibenzo[c,e][1,2]thiazine-9-carboxylic acid 5,5-dioxide (CAS 1858241-32-3)
- Methyl 2,4-dimethyl-1-oxaspiro[2.4]heptane-2-carboxylate (CAS 1558973-38-8)
- (2R)-2-[[2-Amino-5-[[(1S)-1-phenylethyl]thio]thiazolo[4,5-d]pyrimidin-7-yl]amino]-4-methyl-1-pentanol (CAS 911715-90-7)
- 2-Oxo-4-(p-tolyl)pyrrolidine-3-carboxylic acid (CAS 927802-33-3)
- 3-Cyclopropoxy-5-nitropyridin-4-amine (CAS 1243401-79-7)
- (2-Bromo-4-((ethylsulfonyl)methyl)phenyl)(2-chloro-4-fluorophenyl)methanone (CAS 2226650-47-9)
- 2,2'-Diiodo-6,6'-dimethoxy-1,1'-biphenyl (CAS 100871-97-4)
- Gastrin Tetrapeptide (CAS 1947-37-1)
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