1034000-81-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1034000-81-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,3,4,0,0 and 0 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1034000-81:
(9*1)+(8*0)+(7*3)+(6*4)+(5*0)+(4*0)+(3*0)+(2*8)+(1*1)=71
71 % 10 = 1
So 1034000-81-1 is a valid CAS Registry Number.