907972-44-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 907972-44-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,7,9,7 and 2 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 907972-44:
(8*9)+(7*0)+(6*7)+(5*9)+(4*7)+(3*2)+(2*4)+(1*4)=205
205 % 10 = 5
So 907972-44-5 is a valid CAS Registry Number.