34370-77-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 34370-77-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,3,7 and 0 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 34370-77:
(7*3)+(6*4)+(5*3)+(4*7)+(3*0)+(2*7)+(1*7)=109
109 % 10 = 9
So 34370-77-9 is a valid CAS Registry Number.