21348-86-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 21348-86-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,3,4 and 8 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 21348-86:
(7*2)+(6*1)+(5*3)+(4*4)+(3*8)+(2*8)+(1*6)=97
97 % 10 = 7
So 21348-86-7 is a valid CAS Registry Number.