21832-34-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 21832-34-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,8,3 and 2 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 21832-34:
(7*2)+(6*1)+(5*8)+(4*3)+(3*2)+(2*3)+(1*4)=88
88 % 10 = 8
So 21832-34-8 is a valid CAS Registry Number.