5,6-Dihydrobenzo[h]quinazoline hydrochloride CAS 66521-85-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 66521-85-5 |
| Molecular Formula | C12H10N2 HCl |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5,6-Dihydrobenzo[h]quinazoline hydrochloride (CAS 66521-85-5), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C12H10N2 HCl. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C12H10N2 HCl |
| Molecular Weight | 218.68 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Dihydrobenzo Standards
- (2,3-Dihydrobenzo[b][1,4]dioxine-2-carbonyl)alanine (CAS 1008005-65-9)
- 3-((2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)sulfonyl)thiazolidine-4-carboxylic acid (CAS 1008083-81-5)
- ((2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)sulfonyl)glutamine (CAS 1009005-00-8)
- 2-(2,3-Dihydrobenzo[b][1,4]dioxine-6-carboxamido)hexanoic acid (CAS 1009419-86-6)
- (2,3-Dihydrobenzo[b][1,4]dioxine-6-carbonyl)alanine (CAS 1009513-69-2)
- 2-Oxo-2,3-dihydrobenzo[d]oxazole-4-carboxylic acid (CAS 100960-55-2)
- 5-Oxo-5,6-dihydrobenzo[c][2,6]naphthyridine-8-carboxylic acid (CAS 1009820-31-8)
- n-((2,3-Dihydrobenzo[b][1,4]dioxin-2-yl)methyl)butyramide (CAS 1011171-46-2)
Recommended Standards
- n-(2-Methylthiazol-4-yl)methanesulfonamide (CAS 1247590-27-7)
- Sodium Pentacyanoammineferroate(II) xHydrate (CAS 122339-48-4)
- (trans,trans)-4'-(Methoxycarbonyl)-[1,1'-bi(cyclohexane)]-4-carboxylic acid (CAS 1035265-72-5)
- 4'-(Trifluoromethyl)acetophenone 4'-(trifluoromethyl) acetophenone 1-[4-(trifluoromethyl)phenyl]ethan-1-one 4-(trifluoromethyl)acetophenone 4-trifluoromethylacetophenone p-trifluoromethylacetophenone 4'-(trifluoromethyl)-acetophenone 1-[4-(trifluoromethyl)phenyl]ethanone 4'-trifluoromethylacetophenone 709-63-7 (CAS 709-63-7)
- 2-Benzyl-[1,1'-biphenyl]-4-ol (CAS 85959-14-4)
- 2-Ethyl-5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7(4H)-one (CAS 90953-10-9)
- Semaglutide Impurity 124 (CAS CATO-C4X-2226124)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com