211734-37-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 211734-37-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,1,7,3 and 4 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 211734-37:
(8*2)+(7*1)+(6*1)+(5*7)+(4*3)+(3*4)+(2*3)+(1*7)=101
101 % 10 = 1
So 211734-37-1 is a valid CAS Registry Number.