74156-49-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74156-49-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,1,5 and 6 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 74156-49:
(7*7)+(6*4)+(5*1)+(4*5)+(3*6)+(2*4)+(1*9)=133
133 % 10 = 3
So 74156-49-3 is a valid CAS Registry Number.
InChI:InChI=1/C25H34O10/c1-10-6-13(26)19(29)23(5)12(10)7-14-24-9-33-25(32,21(23)24)18(28)11(2)16(24)17(20(30)34-14)35-15(27)8-22(3,4)31/h6,11-12,14,16-19,21,28-29,31-32H,7-9H2,1-5H3/t11-,12+,14-,16-,17-,18-,19-,21-,23-,24+,25+/m1/s1