74305-91-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74305-91-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,3,0 and 5 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 74305-91:
(7*7)+(6*4)+(5*3)+(4*0)+(3*5)+(2*9)+(1*1)=122
122 % 10 = 2
So 74305-91-2 is a valid CAS Registry Number.
InChI:InChI=1/C8H8BrClN2/c1-6(10)11-12-8-4-2-7(9)3-5-8/h2-5,12H,1H3/b11-6-
