74273-37-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74273-37-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,2,7 and 3 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 74273-37:
(7*7)+(6*4)+(5*2)+(4*7)+(3*3)+(2*3)+(1*7)=133
133 % 10 = 3
So 74273-37-3 is a valid CAS Registry Number.
InChI:InChI=1/C28H31NO12/c1-10-23(33)13(29-9-30)6-17(40-10)41-16-8-28(38,11(2)31)7-12-18(16)25(35)22-21(24(12)34)26(36)19-14(32)4-5-15(39-3)20(19)27(22)37/h4-5,9-11,13,16-17,23,31-35,38H,6-8H2,1-3H3,(H,29,30)