907997-34-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 907997-34-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,7,9,9 and 7 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 907997-34:
(8*9)+(7*0)+(6*7)+(5*9)+(4*9)+(3*7)+(2*3)+(1*4)=226
226 % 10 = 6
So 907997-34-6 is a valid CAS Registry Number.