3-AMINOPHTHALHYDRAZINE 3-AMINOPHTHALIC HYDRAZIDE 3-Aminophthalhydrazide 5-AMINO-1,2,3,4-TETRAHYDRO-1,4-PHTHALAZINEDIONE 5-AMINO-2,3-DIHYDRO-1,4-PHTHALAZINEDIONE 5-AMINO-2,3-DIHYDRO-1,4-PHTHALAZINEDONE 5-AMINO-2,3-DIHYDROPHTHALAZINE-1,4-DIONE 521-31-3 AS00420 AURORA KA-3798 LABOTEST-BB LT00645356 LABOTEST-BB LT03329324 LABOTEST-BB LT03379728 LUMINOL RARECHEM AH BS 0053 UKRORGSYN-BB BBR-008043 CAS 521-31-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 521-31-3 |
| Molecular Formula | C8H13N3O2 |
| Molecular Weight | 183.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 3-AMINOPHTHALHYDRAZINE 3-AMINOPHTHALIC HYDRAZIDE 3-Aminophthalhydrazide 5-AMINO-1,2,3,4-TETRAHYDRO-1,4-PHTHALAZINEDIONE 5-AMINO-2,3-DIHYDRO-1,4-PHTHALAZINEDIONE 5-AMINO-2,3-DIHYDRO-1,4-PHTHALAZINEDONE 5-AMINO-2,3-DIHYDROPHTHALAZINE-1,4-DIONE 521-31-3 AS00420 AURORA KA-3798 LABOTEST-BB LT00645356 LABOTEST-BB LT03329324 LABOTEST-BB LT03379728 LUMINOL RARECHEM AH BS 0053 UKRORGSYN-BB BBR-008043 (CAS 521-31-3) pharmaceutical standards reference standard. Molecular formula: C8H13N3O2. Molecular weight: 183.21 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C8H13N3O2 |
| Molecular Weight | 183.21 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 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 |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 3 |
Recommended Standards
- 3682-14-2 4-Aminophthalhydrazide 4-Aminophthaloylhydrazine 6-Amino-2,3-dihydro-1,4-phthalazinedione A5300 Isoluminol (CAS 3682-14-2)
- Ilaprazole Impurity N2 (CAS 1018229-57-6)
- 2-Methylnaphtho(2,3-d)oxazole 2-methylnaphtho[2,3-d]oxazole 20686-66-2 (CAS 20686-66-2)
- (2-Bromo-5-iodo-3-methylphenyl)methanol (CAS 2091676-26-3)
- 5-Bromo-6-(ethylamino)-3-methylpyrimidine-2,4(1H,3H)-dione (CAS 96625-95-5)
- Sorafenib Impurity 61 (CAS 284462-78-8)
- Volatile Penol In Water (CAS CATO-CCRM106043)
- 6-chloro-4,5-dimethylpyridin-3-amine (CAS 147440-83-3)
- 6-Bromo-7-fluoro-1,2,3,4-tetrahydroquinoline (CAS 1235440-09-1)
- Neuropeptide Y (porcine) trifluoroacetate salt (CAS 83589-17-7)
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