88981-67-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 88981-67-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,8,9,8 and 1 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 88981-67:
(7*8)+(6*8)+(5*9)+(4*8)+(3*1)+(2*6)+(1*7)=203
203 % 10 = 3
So 88981-67-3 is a valid CAS Registry Number.
88981-67-3Relevant articles and documents
Total Synthesis of (-)-Kopsinilam, (-)-Kopsinine, and the Bis-indole Alkaloids (-)-Norpleiomutine and (-)-Pleiomutine
Magnus, Philip,Brown, Peter
, p. 184 - 186 (2007/10/02)
The racemic tetracyclic amine (5) was resolved and converted into (-)-kopsinine (16); subsequent coupling to (-)-eburnamine (2) gave (-)-norpleiomutine (4).
