338753-65-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 338753-65-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,8,7,5 and 3 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 338753-65:
(8*3)+(7*3)+(6*8)+(5*7)+(4*5)+(3*3)+(2*6)+(1*5)=174
174 % 10 = 4
So 338753-65-4 is a valid CAS Registry Number.