214911-90-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 214911-90-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,4,9,1 and 1 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 214911-90:
(8*2)+(7*1)+(6*4)+(5*9)+(4*1)+(3*1)+(2*9)+(1*0)=117
117 % 10 = 7
So 214911-90-7 is a valid CAS Registry Number.