40034-74-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40034-74-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,0,3 and 4 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 40034-74:
(7*4)+(6*0)+(5*0)+(4*3)+(3*4)+(2*7)+(1*4)=70
70 % 10 = 0
So 40034-74-0 is a valid CAS Registry Number.
InChI:InChI=1/C21H22N2O3/c1-5-23-12-18(21(25)26-6-2)20(24)17-8-7-15(11-19(17)23)16-9-13(3)22-14(4)10-16/h7-12H,5-6H2,1-4H3