72858-21-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72858-21-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,8,5 and 8 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 72858-21:
(7*7)+(6*2)+(5*8)+(4*5)+(3*8)+(2*2)+(1*1)=150
150 % 10 = 0
So 72858-21-0 is a valid CAS Registry Number.
72858-21-0Relevant articles and documents
Synthesis and Reactions of New 3-Chloro-N-benzothiophene-2-carboxamides
Ried, Walter,Oremek, Gerhard,Guryn, Roman
, p. 2583 - 2588 (2007/10/02)
The substituted 3-chlorobenzothiophene-2-carbonyl chlorides 2a-h react with cyanamides 1a-e to form the 3-chloro-N-benzothiophene-2-carboxamides 3a-m.By exchanging the Cl-atom of the chloroformamidine group in 3e with
