142891-05-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 142891-05-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,8,9 and 1 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 142891-05:
(8*1)+(7*4)+(6*2)+(5*8)+(4*9)+(3*1)+(2*0)+(1*5)=132
132 % 10 = 2
So 142891-05-2 is a valid CAS Registry Number.
142891-05-2Relevant academic research and scientific papers
Alternate and improved synthesis of the cactus alkaloid arizonine
Kaufman
, p. 1913 - 1921 (2007/10/02)
An alternate and high-yield synthesis of the simple tetrahydroisoquinoline alkaloid arizonine, via the sodium cyanoborohydride mediated reductive amination of 2-benzyloxy-3-methoxyacetophenone with aminoacetaldehyde diethyl acetal, as the key step, is rep
