68283-57-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68283-57-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,2,8 and 3 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 68283-57:
(7*6)+(6*8)+(5*2)+(4*8)+(3*3)+(2*5)+(1*7)=158
158 % 10 = 8
So 68283-57-8 is a valid CAS Registry Number.