2-(9H-Fluoren-9-ylidene)hydrazinecarboximidamide CAS 69742-01-4
| CAS No. | 69742-01-4 |
| Molecular Formula | C19H16NO3 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-(9H-Fluoren-9-ylidene)hydrazinecarboximidamide 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.
2-(9H-Fluoren-9-ylidene)hydrazinecarboximidamide (CAS 69742-01-4) is a high-purity analytical reference standard with the molecular formula C19H16NO3Na and a molecular weight of 329.33 g/mol.
Structurally, 2-(9H-Fluoren-9-ylidene)hydrazinecarboximidamide (C19H16NO3Na) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.5, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 329.33 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
Physical & Chemical Properties
| Molecular Formula | C19H16NO3 Na |
| Molecular Weight | 329.33 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
| Nitrogen Atoms | 1 |
Related H Standards
- (9H-Fluoren-9-yl)methyl 4-amino-4-methylpiperidine-1-carboxylate (CAS 1001754-52-4)
- (9H-Fluoren-9-yl)boronic acid (CAS 100374-79-6)
- 3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2-sulfopropanoic acid (CAS 1005412-03-2)
- 1-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}-4-methylcyclohexane-1-carboxylic acid (CAS 1013997-27-7)
- 1-(9h-Fluoren-2-yl)-5-oxopyrrolidine-3-carboxylic acid (CAS 1019109-76-2)
- 2-[4-({[(9h-fluoren-9-yl)methoxy]carbonyl}amino)cyclohexyl]acetic acid (CAS 1023821-72-8)
- (9H-Fluoren-9-yl)methyl 2,5-dioxopyrrolidine-1-carboxylate (CAS 102774-86-7)
- 2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2-(4-methoxyphenyl)acetic acid (CAS 1028530-29-1)
Recommended Standards
- Icosa-8,11-diynoic acid (CAS 82073-91-4)
- 5-Bromo-3-(ethylthio)-1H-1,2,4-triazole (CAS 1209935-35-2)
- (E)-2-[(4-Chlorophenyl)sulfonyl]-3-(4-phenylpiperazino)-2-propenenitrile (CAS 883003-06-3)
- Triacetyl- β-cyclodextrin (CAS 23739-88-0)
- 2-(4-Cyano-2-(difluoromethyl)-5-ethylphenyl)acetic acid (CAS 1805659-74-8)
- 2-(3-Chlorophenyl)-4-Methylsulfanyl-6-[3-(Trifluoromethyl)Phenyl]Pyridine (CAS 144320-18-3)
- 3-(3,4-Dimethoxyphenethyl)-5-methoxyphenol (CAS 135545-84-5)
- 2-(2-Cyanobenzenesulfinyl)-N-(propan-2-yl)benzamide (CAS 477710-71-7)
- 2,3-Dimethyl-1-(phenylsulfonyl)-1H-indole (CAS 116325-48-5)
- Semaglutide impurity 250 (CAS CATO-C4X-2226250)
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