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189952-36-1

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189952-36-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 189952-36-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,9,5 and 2 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 189952-36:
(8*1)+(7*8)+(6*9)+(5*9)+(4*5)+(3*2)+(2*3)+(1*6)=201
201 % 10 = 1
So 189952-36-1 is a valid CAS Registry Number.

189952-36-1Downstream Products

189952-36-1Relevant articles and documents

Derivatives of L-pyrimidylalanine

Zvilichovsky, Gury,Gurvich, Vadim

, p. 1069 - 1071 (2007/10/03)

Optically active derivatives of L-isoxazolo[2,3-a]pyrimidin-4-ylalanine are prepared by the combination of Birch reduction of the phenyl ring of L-phenylalanine, followed by ozonolysis and condensation with 3-amino-5-oxo-4-phenyl-2,5-dihydroisoxazole. Ring cleavage of the five-membered ring by reduction, oxidation and nucleophiles gives pyrimidylalanine derivatives.

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