149543-57-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 149543-57-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,9,5,4 and 3 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 149543-57:
(8*1)+(7*4)+(6*9)+(5*5)+(4*4)+(3*3)+(2*5)+(1*7)=157
157 % 10 = 7
So 149543-57-7 is a valid CAS Registry Number.
149543-57-7Relevant articles and documents
Asymmetric synthesis of pyrrolo[2,1-b][1,3,4]thiadiazepine derivatives
Bolos,Perez-Beroy,Gubert,Anglada,Sacristan,Ortiz
, p. 9567 - 9576 (2007/10/02)
The asymmetric synthesis of compound 2, with potential ACE inhibitory activity, is reported. The key intermediate 3 contains the novel heterocyclic nucleus pyrrolo[2,1-b][1,3,4]thiadiazepine. This compound has been prepared through a sequence involving py
