1209243-38-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1209243-38-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,9,2,4 and 3 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1209243-38:
(9*1)+(8*2)+(7*0)+(6*9)+(5*2)+(4*4)+(3*3)+(2*3)+(1*8)=128
128 % 10 = 8
So 1209243-38-8 is a valid CAS Registry Number.