1309123-41-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1309123-41-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,0,9,1,2 and 3 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1309123-41:
(9*1)+(8*3)+(7*0)+(6*9)+(5*1)+(4*2)+(3*3)+(2*4)+(1*1)=118
118 % 10 = 8
So 1309123-41-8 is a valid CAS Registry Number.