130690-77-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 130690-77-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,6,9 and 0 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 130690-77:
(8*1)+(7*3)+(6*0)+(5*6)+(4*9)+(3*0)+(2*7)+(1*7)=116
116 % 10 = 6
So 130690-77-6 is a valid CAS Registry Number.