211377-86-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 211377-86-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,1,3,7 and 7 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 211377-86:
(8*2)+(7*1)+(6*1)+(5*3)+(4*7)+(3*7)+(2*8)+(1*6)=115
115 % 10 = 5
So 211377-86-5 is a valid CAS Registry Number.