769959-18-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 769959-18-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,6,9,9,5 and 9 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 769959-18:
(8*7)+(7*6)+(6*9)+(5*9)+(4*5)+(3*9)+(2*1)+(1*8)=254
254 % 10 = 4
So 769959-18-4 is a valid CAS Registry Number.