N-Hydroxy-1,2,4-oxadiazole-3-carboximidamide CAS 39512-81-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 39512-81-7 |
| Molecular Formula | C3H4N4O2 |
| Molecular Weight | 128.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
N-Hydroxy-1,2,4-oxadiazole-3-carboximidamide (CAS 39512-81-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C3H4N4O2. Molecular weight: 128.09 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C3H4N4O2 |
| Molecular Weight | 128.09 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1968 |
| Nitrogen Atoms | 4 |
Recommended Standards
- Methyl 2-Cyano-2-oximinoacetate (CAS 61295-92-9)
- 2,4,6-Pyrimidinetriol (CAS 223674-01-9)
- Methyl 1,2,4-oxadiazole-3-carboxylate (CAS 89032-81-5)
- 5-Bromoisothiazolo[5,4-b]pyridin-3-amine (CAS 1643590-09-3)
- 2-(3-Methoxyphenyl)spiro[3.3]heptan-2-amine (CAS 1491913-72-4)
- 2-((7-Nitrobenzo[c][1,2,5]oxadiazol-4-yl)thio)pyridine 1-oxide (CAS 113104-25-9)
- 9-((2R,4S,5R)-4-Hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-2-(phenylamino)-1H-purin-6(9H)-one (CAS 114300-71-9)
- 2-Cyano-3-(3,4-dihydroxy-phenyl)-thioacrylamide (CAS 118409-60-2)
- H-D-Phe-D-Phe-D-Leu-D-Lys-Pip-OH TFA (CAS CATO-CPTD788716)
- Semaglutide impurity 88 (CAS CATO-C4X-222688)
Why CATO?
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