1-(2-Hydroxyethyl)-5-nitro-1H-pyrrole-2-carboxylic acid CAS 67931-11-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 67931-11-7 |
| Molecular Formula | C7H8N2O5 |
| Molecular Weight | 200.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1-(2-Hydroxyethyl)-5-nitro-1H-pyrrole-2-carboxylic acid (CAS 67931-11-7), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C7H8N2O5. Molecular weight: 200.15 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C7H8N2O5 |
| Molecular Weight | 200.15 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| 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 |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
| Nitrogen Atoms | 2 |
Related Hydroxyethyl Standards
- 1-(2-Hydroxyethyl)-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carboxylic acid (CAS 1384428-20-9)
- 1-(2-Hydroxyethyl)-3-nitro-1H-pyrazole-4-carboxamide (CAS 39205-83-9)
- 2-Hydroxyethyl 2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylate (CAS 777-47-9)
- 1,3-Bis(2-hydroxyethyl)pyrimidine-2,4(1H,3H)-dione (CAS 711-66-0)
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Recommended Standards
- 2-((3,5-Dioxo-2,3,4,5-tetrahydro-1,2,4-triazin-6-yl)amino)propanoic acid (CAS 21957-56-2)
- (3AS,4R,7R,8aR)-7-hydroxytetrahydro-4,7-methano[1,3]dioxolo[4,5-c]oxepine-2,6(7H)-dione (CAS 859224-74-1)
- 2,6-Dimethoxy-5-nitropyrimidin-4-amine (CAS 73978-74-2)
- 2-[3-(piperidin-4-yl)-1H-indol-1-yl]butanoic acid (CAS 1521826-81-2)
- (2R,3R,4S,5R)-2-((Benzoyloxy)methyl)-5-methoxytetrahydrofuran-3,4-diyl dibenzoate (CAS 199794-14-4)
- (4-Ethyl-5-methylthiophen-3-yl)methanol (CAS 892383-39-0)
- 4,5,6,7-tetrahydro-1,2-benzoxazol-3-ylmethanamine (CAS 893639-05-9)
- N-(2-bromo-5-nitrophenyl)formamide (CAS 98556-09-3)
- Ertugliflozin Impurity 49 (CAS CATO-C4X-301149)
- PACAP-Related Peptide (PRP), rat (CAS 132769-35-8)
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 13829788188 / jacky.chen@cato-chem.com