(9H-fluoren-9-yl)methyl allylcarbamate CAS 856438-23-8
| CAS No. | 856438-23-8 |
| Molecular Formula | C18H17NO2 |
| Molecular Weight | 279.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
(9H-fluoren-9-yl)methyl allylcarbamate (CAS 856438-23-8), molecular formula C18H17NO2 and molecular weight 279.33 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (9H-fluoren-9-yl)methyl allylcarbamate (C18H17NO2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 279.33 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
As a certified reference material (CRM), (9H-fluoren-9-yl)methyl allylcarbamate 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 | C18H17NO2 |
| Molecular Weight | 279.33 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
Related H Standards
- 4-((9H-Fluoren-3-yl)amino)-4-oxobut-2-enoic acid (CAS 6296-24-8)
- 4-((9H-Fluoren-9-yl)amino)-4-oxobut-2-enoic acid (CAS 75533-77-6)
- 1-((9H-Fluoren-9-yl)methyl)piperidin-4-ol (CAS 88754-46-5)
- (9H-Fluoren-9-yl)methyl (cyanomethyl)carbamate (CAS 117087-82-8)
- (9H-Fluoren-9-yl)methyl 2-oxoethylcarbamate (CAS 156939-62-7)
- 4-((9H-Fluoren-2-yl)amino)-4-oxobutanoic acid (CAS 59935-47-6)
- (9H-Fluoren-9-yl)methyl prop-2-yn-1-ylcarbamate (CAS 127896-08-6)
- 2-(2-(9H-Fluoren-9-yl)phenyl)acetonitrile (CAS 121820-25-5)
Recommended Standards
- (6-Methoxy-2-(p-tolyl)quinolin-4-yl)methanol (CAS 84666-27-3)
- (E)-3,4-dihydronaphthalen-1(2H)-one O-(2-phenylacetyl) oxime (CAS 383148-90-1)
- (5E)-5-[(2H-1,3-Benzodioxol-5-yl)methylidene]-2-(methylsulfanyl)-4,5-dihydro-1,3-thiazol-4-one (CAS 719286-35-8)
- (E)-4-((4-acetylphenyl)amino)-3-phenylbut-3-en-2-one (CAS 343373-06-8)
- n-(Tert-butyl)-3-(phenylthio)propanamide (CAS 591732-04-6)
- 2-(4-Fluorophenyl)pyrimidine-5-carbonitrile (CAS 960198-60-1)
- (7-(Trifluoromethyl)quinolin-3-yl)methanol (CAS 1610696-37-1)
- 7-Ethoxyoctahydropyrrolo[1,2-a]pyrazine (CAS 1422059-02-6)
- Ticagrelor Impurity 152 (CAS 1006376-62-0)
- 4-Methoxy-6-styryl-5,6-dihydro-2H-pyran-2-one (CAS 1635-33-2)
- N-methyl-1-[2-(trifluoromethyl)phenyl]piperidin-4-amine (CAS 1096810-82-0)
- 2,6-Dimethyl-3-nitrobenzaldehyde (CAS 179554-17-7)
- Ascorbic Acid EP Impurity D (CAS 3031-98-9)
- Semaglutide impurity 270 (CAS CATO-C4X-2226270)
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