21003-35-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 21003-35-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,0,0 and 3 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 21003-35:
(7*2)+(6*1)+(5*0)+(4*0)+(3*3)+(2*3)+(1*5)=40
40 % 10 = 0
So 21003-35-0 is a valid CAS Registry Number.