211746-77-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 211746-77-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,1,7,4 and 6 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 211746-77:
(8*2)+(7*1)+(6*1)+(5*7)+(4*4)+(3*6)+(2*7)+(1*7)=119
119 % 10 = 9
So 211746-77-9 is a valid CAS Registry Number.