213546-90-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 213546-90-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,3,5,4 and 6 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 213546-90:
(8*2)+(7*1)+(6*3)+(5*5)+(4*4)+(3*6)+(2*9)+(1*0)=118
118 % 10 = 8
So 213546-90-8 is a valid CAS Registry Number.