67938-51-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 67938-51-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,9,3 and 8 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 67938-51:
(7*6)+(6*7)+(5*9)+(4*3)+(3*8)+(2*5)+(1*1)=176
176 % 10 = 6
So 67938-51-6 is a valid CAS Registry Number.