1023947-01-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1023947-01-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,3,9,4 and 7 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1023947-01:
(9*1)+(8*0)+(7*2)+(6*3)+(5*9)+(4*4)+(3*7)+(2*0)+(1*1)=124
124 % 10 = 4
So 1023947-01-4 is a valid CAS Registry Number.