757129-66-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 757129-66-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,5,7,1,2 and 9 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 757129-66:
(8*7)+(7*5)+(6*7)+(5*1)+(4*2)+(3*9)+(2*6)+(1*6)=191
191 % 10 = 1
So 757129-66-1 is a valid CAS Registry Number.