76745-18-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 76745-18-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,7,4 and 5 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 76745-18:
(7*7)+(6*6)+(5*7)+(4*4)+(3*5)+(2*1)+(1*8)=161
161 % 10 = 1
So 76745-18-1 is a valid CAS Registry Number.