213915-90-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 213915-90-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,3,9,1 and 5 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 213915-90:
(8*2)+(7*1)+(6*3)+(5*9)+(4*1)+(3*5)+(2*9)+(1*0)=123
123 % 10 = 3
So 213915-90-3 is a valid CAS Registry Number.