7505-40-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7505-40-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,5,0 and 5 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 7505-40:
(6*7)+(5*5)+(4*0)+(3*5)+(2*4)+(1*0)=90
90 % 10 = 0
So 7505-40-0 is a valid CAS Registry Number.
InChI:InChI=1/C19H25NO3/c1-3-22-15-7-5-12-13-10-11-4-6-14(21)17-16(11)19(12,18(15)23-17)8-9-20(13)2/h4,6,12-13,15,18,21H,3,5,7-10H2,1-2H3/t12-,13+,15-,18-,19-/m0/s1