2-(5-Ethyl-8-oxothieno[2',3':4,5]pyrrolo[1,2-d][1,2,4]triazin-7(8h)-yl)acetic acid CAS 903165-23-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 903165-23-1 |
| Molecular Formula | C12H11N3O3S |
| Molecular Weight | 277.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(5-Ethyl-8-oxothieno[2',3':4,5]pyrrolo[1,2-d][1,2,4]triazin-7(8h)-yl)acetic acid (CAS 903165-23-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H11N3O3S. Molecular weight: 277.30 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H11N3O3S |
| Molecular Weight | 277.30 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Ethyl Standards
- 2-(4-Oxothieno[3,2-d]pyrimidin-3(4h)-yl)ethyl methanesulfonate (CAS 1354963-32-8)
- 2-(5-Oxothieno[2,3-e][1,2,3]triazolo[1,5-a]pyrimidin-4(5H)-yl)acetic acid (CAS 1707563-11-8)
- 2-(6-Ethyl-4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)acetic acid (CAS 686312-09-4)
- 3-(4-Oxothieno[3,2-d][1,2,3]triazin-3(4H)-yl)propanoic acid (CAS 1707594-08-8)
- 2-(7-Oxothieno[2,3-d]pyridazin-6(7H)-yl)propanoic acid (CAS 118376-66-2)
- Methyl 2-(4-oxothieno[3,2-d]pyrimidin-3(4H)-yl)acetate (CAS 878236-63-6)
- 2-(2-Methyl-4-oxothieno[3,2-c]pyridin-5(4H)-yl)acetic acid (CAS 1172052-56-0)
- 3-(4-Oxothieno[3,2-d]pyrimidin-3(4h)-yl)propanamide (CAS 1241004-18-1)
Recommended Standards
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- 3-(Methoxymethoxy)-1-propene (CAS 62322-45-6)
- Methyl (1S,4R)-2-azabicyclo[2.2.1]Heptane-4-carboxylate (CAS 2055277-84-2)
- 4-Amino-5-fluoropyridin-2(1H)-one (CAS 105252-98-0)
- Methyl 4-((2-methoxyethyl)amino)-3-nitrobenzoate (CAS 1325723-97-4)
- Iron, [2,6-bis(diphenylmethyl)-4-methoxy-N-[1-[9-[2,4,6-tris(1-methylethyl)phenyl]-1,10-phenanthrolin-2-yl-κN1,κN10]ethylidene]benzenamine-κN]dichloro-, (SP-5-13)- (CAS 2751680-97-2)
- Valosin Peptide (VQY), porcine (CAS 99510-37-9)
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