591767-34-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 591767-34-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,9,1,7,6 and 7 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 591767-34:
(8*5)+(7*9)+(6*1)+(5*7)+(4*6)+(3*7)+(2*3)+(1*4)=199
199 % 10 = 9
So 591767-34-9 is a valid CAS Registry Number.