21048-35-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 21048-35-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,0,4 and 8 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 21048-35:
(7*2)+(6*1)+(5*0)+(4*4)+(3*8)+(2*3)+(1*5)=71
71 % 10 = 1
So 21048-35-1 is a valid CAS Registry Number.