40034-52-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40034-52-4 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, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 40034-52:
(7*4)+(6*0)+(5*0)+(4*3)+(3*4)+(2*5)+(1*2)=64
64 % 10 = 4
So 40034-52-4 is a valid CAS Registry Number.
InChI:InChI=1/C21H24N2O4/c1-5-26-20(24)19(21(25)27-6-2)13-22-18-9-7-8-16(12-18)17-10-14(3)23-15(4)11-17/h7-13,22H,5-6H2,1-4H3