1238888-42-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1238888-42-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,8,8,8 and 8 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1238888-42:
(9*1)+(8*2)+(7*3)+(6*8)+(5*8)+(4*8)+(3*8)+(2*4)+(1*2)=200
200 % 10 = 0
So 1238888-42-0 is a valid CAS Registry Number.