1372540-21-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1372540-21-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,2,5,4 and 0 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1372540-21:
(9*1)+(8*3)+(7*7)+(6*2)+(5*5)+(4*4)+(3*0)+(2*2)+(1*1)=140
140 % 10 = 0
So 1372540-21-0 is a valid CAS Registry Number.