18481-23-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18481-23-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,4,8 and 1 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 18481-23:
(7*1)+(6*8)+(5*4)+(4*8)+(3*1)+(2*2)+(1*3)=117
117 % 10 = 7
So 18481-23-7 is a valid CAS Registry Number.
InChI:InChI=1/C32H46N8O6S2/c1-7-9-29(43)45-13-11-27(21(3)39(19-41)17-25-15-35-23(5)37-31(25)33)47-48-28(12-14-46-30(44)10-8-2)22(4)40(20-42)18-26-16-36-24(6)38-32(26)34/h15-16,19-20H,7-14,17-18H2,1-6H3,(H2,33,35,37)(H2,34,36,38)/b27-21-,28-22+