1020943-38-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1020943-38-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,0,9,4 and 3 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1020943-38:
(9*1)+(8*0)+(7*2)+(6*0)+(5*9)+(4*4)+(3*3)+(2*3)+(1*8)=107
107 % 10 = 7
So 1020943-38-7 is a valid CAS Registry Number.