21413-77-4 Usage
General Description
3-CHLORO-6,7,8,9-TETRAHYDRO-5H-BENZO[7]ANNULEN-5-ONE is a chemical compound with the molecular formula C15H13ClO. It is a chlorinated derivative of tetrahydro-5H-benzo[7]annulen-5-one, and belongs to the class of organic compounds known as naphthopyrans. 3-CHLORO-6,7,8,9-TETRAHYDRO-5H-BENZO[7]ANNULEN-5-ONE is a pale yellow solid with a melting point of 114-115°C, and is insoluble in water. It is used in the synthesis of various organic compounds and pharmaceuticals, and is also known for its potential biological activities. However, its specific uses and applications are subject to further research and investigation.
Check Digit Verification of cas no
The CAS Registry Mumber 21413-77-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,4,1 and 3 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 21413-77:
(7*2)+(6*1)+(5*4)+(4*1)+(3*3)+(2*7)+(1*7)=74
74 % 10 = 4
So 21413-77-4 is a valid CAS Registry Number.
21413-77-4Relevant articles and documents
Tricyclic pyrazoles. 3. Synthesis, biological evaluation, and molecular modeling of analogues of the cannabinoid antagonist 8-chloro-1-(2′, 4′-dichlorophenyl)-N-piperidin-1-yl-1,4,5,6-tetrahydrobenzo[6,7] cyclohepta[1,2-c]pyrazole-3-carboxamide
Murineddu, Gabriele,Ruiu, Stefania,Loriga, Giovanni,Manca, Ilaria,Lazzari, Paolo,Reali, Roberta,Pani, Luca,Toma, Lucio,Pinna, Gérard A.
, p. 7351 - 7362 (2007/10/03)
A series of analogues of 8-chloro-1-(2′,4′-dichlorophenyl)-AT- piperidin-1-yl-1,4,5,6-tetrahydrobenzo-[6,7]cyclohepta[1,2-c] pyrazole-3-carboxamide 4a (NESS 0327) (Ruiu, S.; Pinna, G. A.; Marchese, G.; Mussinu, J. M.; Saba, P.; Tambaro, S.; Casti, P.; Var