1-(8-Chloroisoquinolin-2(1H)-yl)ethan-1-one CAS 73261-81-1
| CAS No. | 73261-81-1 |
| Molecular Formula | C11H10ClNO |
| Molecular Weight | 207.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 1-(8-Chloroisoquinolin-2(1H)-yl)ethan-1-one.
1-(8-Chloroisoquinolin-2(1H)-yl)ethan-1-one (CAS 73261-81-1) is a high-purity analytical reference standard with the molecular formula C11H10ClNO and a molecular weight of 207.66 g/mol.
Structurally, 1-(8-Chloroisoquinolin-2(1H)-yl)ethan-1-one (C11H10ClNO) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 207.66 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 1-(8-Chloroisoquinolin-2(1H)-yl)ethan-1-one 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 | C11H10ClNO |
| Molecular Weight | 207.66 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chloroisoquinolin Standards
- 1-(6-Chloroisoquinolin-2(1H)-yl)ethan-1-one (CAS 73261-84-4)
- 1-(7-Chloroisoquinolin-2(1H)-yl)ethan-1-one (CAS 73261-82-2)
- 3-Chloroisoquinolin-5-boronic acid (CAS 1429665-44-0)
- 3-Chloroisoquinolin-6-boronic acid (CAS 1800483-72-0)
- (1-Chloroisoquinolin-4-yl)boronic acid (CAS 848841-48-5)
- (1-Chloroisoquinolin-5-yl)boronic acid (CAS 2096338-36-0)
- (1-Chloroisoquinolin-8-yl)boronic acid (CAS 2096337-48-1)
- 3-Chloroisoquinolin-7-boronic acid (CAS 2096331-38-1)
Recommended Standards
- 1,2-Dimethyl-1H-indole-3-carbonyl chloride (CAS 65610-45-9)
- 1-[(2-Chlorophenyl)methyl]-1H-pyrazol-3-amine (CAS 492426-32-1)
- 1-(6-Chloro-1-methyl-1h-indol-3-yl)-ethanone (CAS 949035-04-5)
- 1-[(2-Chlorophenyl)methyl]-1H-pyrazol-4-amine (CAS 956777-74-5)
- 4-Fluoro-N-(prop-2-yn-1-yl)aniline (CAS 123685-60-9)
- 1-[2-(2-Methoxyethoxy)ethyl]-2,5-dihydro-1H-pyrrole-2,5-dione (CAS 914224-85-4)
- 4-Ethynyl-2-isopropylpyridine (CAS 1215782-63-0)
- N-Methyl-1-(3-(methylthio)phenyl)methanamine (CAS 915922-71-3)
- TCN 201 (CAS 852918-02-6)
- (S)-3-Amino-2,3-dihydrobenzofuran-5-carbonitrile (CAS 1259941-93-9)
- 2-amino-3-cyclopropylbutanoic acid hydrochloride (CAS 1803571-69-8)
- 2,4-Dichloro-3-(difluoromethyl)pyridine (CAS 1443290-44-5)
- 4-Bromo-3-hydroxy-2-nitrobenzoic acid (CAS 37524-08-6)
- Hexapeptide-9 (CAS 1228371-11-6)
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