38781-50-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 38781-50-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,8,7,8 and 1 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 38781-50:
(7*3)+(6*8)+(5*7)+(4*8)+(3*1)+(2*5)+(1*0)=149
149 % 10 = 9
So 38781-50-9 is a valid CAS Registry Number.