3-(Ethoxymethyl)-1-methyl-1H-pyrazol-5-ol CAS 66708-00-7
| CAS No. | 66708-00-7 |
| Molecular Formula | C7H12N2O2 |
| Molecular Weight | 156.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(Ethoxymethyl)-1-methyl-1H-pyrazol-5-ol (CAS 66708-00-7) is a high-purity analytical reference standard with the molecular formula C7H12N2O2 and a molecular weight of 156.18 g/mol.
Based on its molecular formula C7H12N2O2, 3-(Ethoxymethyl)-1-methyl-1H-pyrazol-5-ol contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 156.18 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C7H12N2O2 |
| Molecular Weight | 156.18 g/mol |
| Appearance | 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 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1976 |
| Nitrogen Atoms | 2 |
Related Ethoxymethyl Standards
- (5-(Ethoxymethyl)isoxazol-3-yl)methanamine (CAS 893749-25-2)
- 3-(Ethoxymethyl)-4-methylisoxazol-5-amine (CAS 872788-57-3)
- 2-(Ethoxymethyl)cyclohexan-1-one (CAS 85670-56-0)
- 1-(Ethoxymethyl)-4-methyl-1h-pyrazol-3-amine (CAS 1464959-67-8)
- (3-(Ethoxymethyl)-1,2,4-oxadiazol-5-yl)methanamine (CAS 1512525-66-4)
- (5-(Ethoxymethyl)furan-2-yl)methanamine (CAS 893741-78-1)
- 4-(Ethoxymethyl)-3,5-dimethylisoxazole (CAS 93548-18-6)
- 3-(Ethoxymethyl)-5-fluoropyridine (CAS 2364584-98-3)
Recommended Standards
- 3-(Dimethoxymethyl)-1-methylpyrazole (CAS 287917-82-2)
- 3-(Aminomethyl)-1,3-dimethylpyrrolidine-2,5-dione (CAS 747364-86-9)
- 3-(Ethoxymethylene)pentane-2,4-dione (CAS 33884-41-2)
- 3-(4-Ethynylphenyl)prop-2-enal (CAS 2229670-34-0)
- 1-(2-Chloro-3,4-dimethoxyphenyl)ethanone (CAS 1546993-86-5)
- 2-Amino-4-(cyanomethyl)-6-morpholinopyridine-3,5-dicarbonitrile (CAS 448939-86-4)
- 1-(4-Aminophenyl)-2-oxopyridine-3-carbonitrile (CAS 2140305-36-6)
- 7-Methoxy-1H-indole-2-carbonyl chloride (CAS 84638-87-9)
- 6-Chloro-2-ethyl-1-methyl-1H-indole-3-carboxylic acid (CAS 1784299-01-9)
- 2,2,2-Trifluoro-N-(4-methoxyphenethyl)ethan-1-amine hydrochloride (CAS 1266692-68-5)
- 2-Methyl-1-(vinyloxy)propane compound with chloroethene (1:1) (CAS 25154-85-2)
- 2'-Amino-3,3'-diphenyl-[1,1'-binaphthalen]-2-ol (CAS 1242771-09-0)
- Ethyl 4-amino-3-(3-chloro-2-methylphenyl)-2-thioxo-2,3-dihydrothiazole-5-carboxylate (CAS 689771-82-2)
- Liraglutide-d8 Tetratrifluoroacetate (CAS 204656-20-2 (non-labelled, free base))
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 18665070610 / Nicole.chen@cato-chem.com