155023-55-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 155023-55-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,0,2 and 3 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 155023-55:
(8*1)+(7*5)+(6*5)+(5*0)+(4*2)+(3*3)+(2*5)+(1*5)=105
105 % 10 = 5
So 155023-55-5 is a valid CAS Registry Number.
InChI:InChI=1/C29H30O8/c1-29(2,34)27-23(18-14-17(28(33)36-4)11-13-19(18)30)25-22(35-3)15-21(32)24(26(25)37-27)20(31)12-10-16-8-6-5-7-9-16/h5-9,11,13-15,23,27,30,32,34H,10,12H2,1-4H3/t23-,27-/m0/s1