318239-40-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 318239-40-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,8,2,3 and 9 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 318239-40:
(8*3)+(7*1)+(6*8)+(5*2)+(4*3)+(3*9)+(2*4)+(1*0)=136
136 % 10 = 6
So 318239-40-6 is a valid CAS Registry Number.