21900-35-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 21900-35-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,9,0 and 0 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 21900-35:
(7*2)+(6*1)+(5*9)+(4*0)+(3*0)+(2*3)+(1*5)=76
76 % 10 = 6
So 21900-35-6 is a valid CAS Registry Number.