144919-04-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 144919-04-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,9,1 and 9 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 144919-04:
(8*1)+(7*4)+(6*4)+(5*9)+(4*1)+(3*9)+(2*0)+(1*4)=140
140 % 10 = 0
So 144919-04-0 is a valid CAS Registry Number.
144919-04-0Relevant articles and documents
A facile semisynthesis of litEbamine, a novel phenanthrene alkaloid, from boldine via a biogenetical approach
Lee,Lin,Chen,Wu,Chen
, p. 6309 - 6310 (1992)
Litebamine was semisynthesized from boldine via a biogenetical approach. Main reactions include Von Braun reaction, exhaustive benzylation and Hofmann degradation in one pot, and the Mannich reaction.