1-(9H-Fluoren-3-yl)-2-(phthalazin-1-ylthio)ethan-1-one CAS 721903-23-7
| CAS No. | 721903-23-7 |
| Molecular Formula | C23H16N2OS |
| Molecular Weight | 368.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 1-(9H-Fluoren-3-yl)-2-(phthalazin-1-ylthio)ethan-1-one is closely related to a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
1-(9H-Fluoren-3-yl)-2-(phthalazin-1-ylthio)ethan-1-one (CAS 721903-23-7) is a high-purity analytical reference standard with the molecular formula C23H16N2OS and a molecular weight of 368.45 g/mol.
Structurally, 1-(9H-Fluoren-3-yl)-2-(phthalazin-1-ylthio)ethan-1-one (C23H16N2OS) contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 17.0, corresponding to approximately 17 ring(s) or double-bond equivalent(s). With a molecular weight of 368.45 g/mol, it falls into the moderately-high-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 1-(9H-Fluoren-3-yl)-2-(phthalazin-1-ylthio)ethan-1-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C23H16N2OS |
| Molecular Weight | 368.45 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related H Standards
- (((9H-Fluoren-9-yl)methoxy)carbonyl)glutamine (CAS 157355-74-3)
- (2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)acetamido)methyl acetate (CAS 1599440-06-8)
- 4-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-5-amino-5-oxopentanoic acid (CAS 267663-37-6)
- (9H-fluoren-9-yl)methyl 1,3-dioxoisoindoline-2-carboxylate (CAS 1214260-55-5)
- 3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-methoxy-4-oxobutanoic acid (CAS 1227281-44-8)
- (((9H-Fluoren-9-yl)methoxy)carbonyl)glutamic acid (CAS 136083-74-4)
- 3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)pentanedioic acid (CAS 247217-28-3)
- 2-(1-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-fluorocyclobutyl)acetic acid (CAS 2386763-40-0)
Recommended Standards
- 1-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-3-(4-methoxyphenyl)thiourea (CAS 74051-63-1)
- 1-(Dibenzo[b,d]furan-3-yl)-3-(naphthalen-1-yl)thiourea (CAS 401635-30-1)
- (S)-2-((tert-Butoxycarbonyl)amino)-3-(((2-phenylacetamido)methyl)thio)propanoic acid (CAS 57084-73-8)
- 10-((2-Phenylthiazol-4-yl)methyl)acridin-9(10H)-one (CAS 63484-60-6)
- 2-Bromo-6-(4-(pentan-3-yl)-4H-1,2,4-triazol-3-yl)pyridine (CAS 2420428-00-6)
- 2-(2-fluoro-3-hydroxyphenyl)acetic acid (CAS 1213229-25-4)
- 1-(Dimethylamino)-3H-pyrrolizin-3-one (CAS 1008-46-4)
- (Tetrahydro-2H-pyran-4-carbonyl)alanine (CAS 1516949-42-0)
- 5-(5-Ethyl-1,3,4-oxadiazol-2-yl)-2-methoxyaniline (CAS 954326-01-3)
- 3-Hydroxyphenylacetic acid (CAS 621-37-4)
- 2,6-bis(2-methylpropyl)piperidine hydrochloride (CAS 1803584-32-8)
- 5-Methyl-1-phenyl-1H-pyrazole-4-carbaldehyde (CAS 98700-50-6)
- 3,4-Di-p-tolyl-5-((p-tolyloxy)methyl)-4H-1,2,4-triazole (CAS 141078-99-1)
- A-18-F-NH2; Morphine Modulating Neuropeptide (CAS 99588-52-0)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com