148197-21-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 148197-21-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,8,1,9 and 7 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 148197-21:
(8*1)+(7*4)+(6*8)+(5*1)+(4*9)+(3*7)+(2*2)+(1*1)=151
151 % 10 = 1
So 148197-21-1 is a valid CAS Registry Number.