214977-96-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 214977-96-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,4,9,7 and 7 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 214977-96:
(8*2)+(7*1)+(6*4)+(5*9)+(4*7)+(3*7)+(2*9)+(1*6)=165
165 % 10 = 5
So 214977-96-5 is a valid CAS Registry Number.