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161196-80-1

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161196-80-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 161196-80-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,1,1,9 and 6 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 161196-80:
(8*1)+(7*6)+(6*1)+(5*1)+(4*9)+(3*6)+(2*8)+(1*0)=131
131 % 10 = 1
So 161196-80-1 is a valid CAS Registry Number.

161196-80-1Relevant articles and documents

Constituents of tropical medicinal plants, LXIII: Synthesis of 2-methoxyonychine alkaloids - Structure revision of oxylopidine

Achenbach,Schwinn

, p. 755 - 762 (2007/10/02)

Condensation of β-aminocinnamic acid esters with 3-chloro-2-methoxycrotonaldehyde opened an easy access to 2-phenyl-5-methoxy-4-methylnicotinic acid esters which were cyclized by polyphosphoric acid to yield the corresponding 2-methoxyonychines. By this m

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