131766-70-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131766-70-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,7,6 and 6 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 131766-70:
(8*1)+(7*3)+(6*1)+(5*7)+(4*6)+(3*6)+(2*7)+(1*0)=126
126 % 10 = 6
So 131766-70-6 is a valid CAS Registry Number.