197150-83-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 197150-83-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,7,1,5 and 0 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 197150-83:
(8*1)+(7*9)+(6*7)+(5*1)+(4*5)+(3*0)+(2*8)+(1*3)=157
157 % 10 = 7
So 197150-83-7 is a valid CAS Registry Number.