1021000-38-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1021000-38-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,1,0,0 and 0 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1021000-38:
(9*1)+(8*0)+(7*2)+(6*1)+(5*0)+(4*0)+(3*0)+(2*3)+(1*8)=43
43 % 10 = 3
So 1021000-38-3 is a valid CAS Registry Number.