118495-18-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 118495-18-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,8,4,9 and 5 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 118495-18:
(8*1)+(7*1)+(6*8)+(5*4)+(4*9)+(3*5)+(2*1)+(1*8)=144
144 % 10 = 4
So 118495-18-4 is a valid CAS Registry Number.
InChI:InChI=1/C24H25NO/c1-24-19-13-8-14-21(24)25(23(26)20(24)16-15-19)22(17-9-4-2-5-10-17)18-11-6-3-7-12-18/h2-12,14,19-22H,13,15-16H2,1H3/t19-,20-,21-,24-/m0/s1
118495-18-4Relevant articles and documents
Applications of Intramolecular Diels-Alder Reactions to Alkaloid Synthesis. A Formal Total Synthesis of (+/-)-Dendrobine
Martin, Stephen F.,Li, Wei
, p. 642 - 650 (2007/10/02)
A facile synthesis of the tricyclic enone 3 was completed; since 3 was an intermediate in a previous synthesis of (+/-)-dendrobine (1), this achievement constitutes a formal total synthesis of the racemic title alkaloid.The key strategic element of the ap