155740-16-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 155740-16-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,7,4 and 0 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 155740-16:
(8*1)+(7*5)+(6*5)+(5*7)+(4*4)+(3*0)+(2*1)+(1*6)=132
132 % 10 = 2
So 155740-16-2 is a valid CAS Registry Number.
InChI:InChI=1/C25H34O14/c1-24(2,33)16(27)6-12-5-11-3-4-17(28)37-13(11)7-14(12)38-22-20(31)19(30)18(29)15(39-22)8-35-23-21(32)25(34,9-26)10-36-23/h3-5,7,15-16,18-23,26-27,29-34H,6,8-10H2,1-2H3