2-(4-Oxo-2,5-cyclohexadien-1-ylidene)hydrazinecarboximidamide Sulfate CAS 1048649-86-0
| CAS No. | 1048649-86-0 |
| Molecular Formula | C7H8N4O |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(4-Oxo-2,5-cyclohexadien-1-ylidene)hydrazinecarboximidamide Sulfate (C7H8N4OH2O4S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
2-(4-Oxo-2,5-cyclohexadien-1-ylidene)hydrazinecarboximidamide Sulfate (CAS 1048649-86-0) is a high-purity analytical reference standard with the molecular formula C7H8N4OH2O4S and a molecular weight of 262.24 g/mol.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 2-(4-Oxo-2,5-cyclohexadien-1-ylidene)hydrazinecarboximidamide Sulfate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C7H8N4O H2O4S |
| Molecular Weight | 262.24 g/mol |
| 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.) | 1988 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Oxo Standards
- 2,5-CyclohexaDien-1-one, 4-[6-(DiMethylamino)-4-(TriFluoroMethyl)-2(1H)-pyridinylidene]- (CAS 1858250-96-0)
- 2150-58-5 2,5-Cyclohexadien-1-one, 4-(p-dimethylaminophenyl)imino- 2,5-Cyclohexadien-1-one, 4-((4-(dimethylamino)phenyl)imino)- 4-((4-(Dimethylamino)phenyl)imino)cyclohexa-2,5-dien-1-one Indoaniline, N,N-dimethyl- (8CI) 4-13-00-00127 (Beilstein Handbook Reference) BRN 2109219 4-(p-Dimethylaminophenyl)imino-2,5-cyclohexadiene-1-one N,N-Dimethylindoaniline EINECS 218-434-6 Indoaniline, N,N-dimethyl- NSC 400538 NSC 402443 Phenol Blue (CAS 2150-58-5)
- 1-(1,4-Cyclohexadien-1-Yl)-2,2,2-Trifluoroethanone (CAS 329915-24-4)
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- 2-(4'-Bromo-biphenyl-4-yl)-1,2-dihydronaphthalene (CAS 861212-65-9)
- 6-Amino-3-(2-fluorobenzyl)pyrimidine-2,4(1H,3H)-dione (CAS 639780-60-2)
- (1R,2R)-2-(3,4,5-trifluorophenyl)cyclopropane-1-carboxylic acid (CAS 2059913-92-5)
- Methyl 6-(1-aminocyclopropyl)nicotinate dihydrochloride (CAS 2525094-63-5)
- Peptide YY (canine, mouse, porcine, rat) trifluoroacetate salt (CAS 81858-94-8)
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