158243-18-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 158243-18-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,2,4 and 3 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 158243-18:
(8*1)+(7*5)+(6*8)+(5*2)+(4*4)+(3*3)+(2*1)+(1*8)=136
136 % 10 = 6
So 158243-18-6 is a valid CAS Registry Number.
InChI:InChI=1/C23H34N4O8/c1-6-23(4)19(22(34)25-10-15(29)30)27-20(32)16(11(2)3)26-21(33)17(24-5)18(31)12-7-8-13(28)14(9-12)35-23/h7-9,11,16-19,24,28,31H,6,10H2,1-5H3,(H,25,34)(H,26,33)(H,27,32)(H,29,30)/t16-,17+,18+,19+,23+/m0/s1