730971-83-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 730971-83-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,3,0,9,7 and 1 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 730971-83:
(8*7)+(7*3)+(6*0)+(5*9)+(4*7)+(3*1)+(2*8)+(1*3)=172
172 % 10 = 2
So 730971-83-2 is a valid CAS Registry Number.