1,1'-Methylenebis(1H-pyrazole-4-carboxylic acid) CAS 2610635-91-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2610635-91-9 |
| Molecular Formula | C9H8N4O4 |
| Molecular Weight | 236.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,1'-Methylenebis(1H-pyrazole-4-carboxylic acid) (CAS 2610635-91-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H8N4O4. Molecular weight: 236.18 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H8N4O4 |
| Molecular Weight | 236.18 g/mol |
| Appearance | Pale yellow to 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 |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2001 |
| Nitrogen Atoms | 4 |
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Recommended Standards
- 1-(4-Hydroxy-3-nitrophenyl)pyrrolidine-2,5-dione (CAS 48166-64-9)
- 1-Methyl-3-(5-nitrofuran-2-yl)-1H-pyrazole-4-carboxamide (CAS 61620-76-6)
- (S)-4-(4-Nitrobenzyl)oxazolidine-2,5-dione (CAS 59872-22-9)
- (4-Cyclopropoxy-2-isopropoxyphenyl)(methyl)sulfane (CAS 1243443-03-9)
- 6-Bromopyrrolo[1,2-a]pyrazin-1-amine (CAS 2052589-16-7)
- 6-oxa-2,9-diazaspiro[4.5]decan-8-one;hydrochloride (CAS 1778734-60-3)
- 2-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)triazole (CAS 1657004-85-7)
- 4,6,7-Trimethoxyisoquinoline (CAS 71521-99-8)
- 3-Phenyl-4-[4-(2-phenyldiazenyl)anilino]-3-buten-2-one (CAS 339017-29-7)
- Fibrinopeptide B (human) (CAS 36204-23-6)
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