52-74-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 52-74-4 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 5 and 2 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 52-74:
(4*5)+(3*2)+(2*7)+(1*4)=44
44 % 10 = 4
So 52-74-4 is a valid CAS Registry Number.
InChI:InChI=1/C22H30O2/c1-5-21(23)11-15-7-8-16-17(20(15,4)14-21)9-10-19(3)13-22(24,6-2)12-18(16)19/h1-2,15-18,23-24H,7-14H2,3-4H3/t15?,16?,17?,18?,19?,20?,21-,22+/m1/s1