155833-00-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 155833-00-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,8,3 and 3 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 155833-00:
(8*1)+(7*5)+(6*5)+(5*8)+(4*3)+(3*3)+(2*0)+(1*0)=134
134 % 10 = 4
So 155833-00-4 is a valid CAS Registry Number.
InChI:InChI=1/C18H16N2O8S2.2Na/c1-10-7-14(18(28-2)16(8-10)30(25,26)27)19-20-17-13-5-4-12(29(22,23)24)9-11(13)3-6-15(17)21;;/h3-9,19H,1-2H3,(H,22,23,24)(H,25,26,27);;/q;2*+1/p-2/b20-17-;;