383910-23-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 383910-23-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,8,3,9,1 and 0 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 383910-23:
(8*3)+(7*8)+(6*3)+(5*9)+(4*1)+(3*0)+(2*2)+(1*3)=154
154 % 10 = 4
So 383910-23-4 is a valid CAS Registry Number.