130681-29-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 130681-29-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,6,8 and 1 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 130681-29:
(8*1)+(7*3)+(6*0)+(5*6)+(4*8)+(3*1)+(2*2)+(1*9)=107
107 % 10 = 7
So 130681-29-7 is a valid CAS Registry Number.