67836-57-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 67836-57-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,8,3 and 6 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 67836-57:
(7*6)+(6*7)+(5*8)+(4*3)+(3*6)+(2*5)+(1*7)=171
171 % 10 = 1
So 67836-57-1 is a valid CAS Registry Number.