338800-71-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 338800-71-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,8,8,0 and 0 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 338800-71:
(8*3)+(7*3)+(6*8)+(5*8)+(4*0)+(3*0)+(2*7)+(1*1)=148
148 % 10 = 8
So 338800-71-8 is a valid CAS Registry Number.