2-Thioxo-2,3-dihydro-1H-spiro[benzo[h]quinazoline-5,1'-cyclopentan]-4(6H)-one CAS 286000-28-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 286000-28-0 |
| Molecular Formula | C16H16N2OS |
| Molecular Weight | 284.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Thioxo-2,3-dihydro-1H-spiro[benzo[h]quinazoline-5,1'-cyclopentan]-4(6H)-one (CAS 286000-28-0) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C16H16N2OS. Molecular weight: 284.38 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C16H16N2OS |
| Molecular Weight | 284.38 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Thioxo Standards
- [(4-phenyl-5-thioxo-4,5-dihydro-1,3,4-thiadiazol-2-yl)thio]acetic acid (CAS 757220-14-7)
- 4-((3-Methyl-5-thioxo-1H-1,2,4-triazol-4(5H)-yl)amino)benzenesulfonic acid (CAS 53131-82-1)
- 2-(5-Benzyl-6-thioxo-1,3,5-thiadiazinan-3-yl)acetic acid (CAS 1219-77-8)
- 3-Phenyl-4-thioxo-3,4-dihydrophthalazine-1-carboxylic acid (CAS 20988-85-6)
- N-(5-Thioxo-4,5-dihydro-1,3,4-thiadiazol-2-yl)decanamide (CAS 62314-86-7)
- 3-(4-Oxo-2-thioxo-1,2,4,5-tetrahydro-3H-pyrimido[5,4-b]indol-3-yl)propanoic acid (CAS 1351398-18-9)
- 3-(3-Oxo-5-thioxo-2,3,5,6-tetrahydroimidazo[1,2-c]quinazolin-2-yl)propanoic acid (CAS 1370591-91-5)
- 2-Thioxo-5-((5-(trifluoromethyl)furan-2-yl)methylene)thiazolidin-4-one (CAS 65712-31-4)
Recommended Standards
- 2-Bromo-5-chlorobenzyl Bromide (CAS 66192-24-3)
- 3-(Trimethoxysilyl)propyl benzoate (CAS 76241-02-6)
- 2-Bromo-4-chlorobenzyl Bromide (CAS 33924-45-7)
- Carbonic acid tert-Butyl 6,6-difluoro-2,8-diazaspiro[4.5]decane-8-carboxylate (CAS 2227205-92-5)
- 2-Amino-5-(3,5-dimethyl-1h-pyrazol-1-yl)-2-methylpentanamide (CAS 1247494-87-6)
- 5-Bromo-2-(2,3-dimethylphenyl)pyridine (CAS 2586126-58-9)
- N-(2-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]sulfanyl}phenyl)propanamide (CAS 338407-17-3)
- Ethyl 5-amino-6-bromopicolinate (CAS 1805559-39-0)
- H-Arg-Asn-Ile-Ala-Glu-Ile-Ile-Lys-Asp-Ile-OH (CAS 120180-27-0)
- Semaglutide Impurity 163 (x TFA Salt) (CAS CATO-C4X-2226163)
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 13829788188 / jacky.chen@cato-chem.com