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93591-34-5

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93591-34-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 93591-34-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,5,9 and 1 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 93591-34:
(7*9)+(6*3)+(5*5)+(4*9)+(3*1)+(2*3)+(1*4)=155
155 % 10 = 5
So 93591-34-5 is a valid CAS Registry Number.

93591-34-5Relevant articles and documents

A Synthesis of Optically Active 4-Diethoxyphosphinyl-3-(1-hydroxyethyl)-2-azetidinone: A Potential Precursor to (1-Aminoalkyl)-phosphonic Acid Derivatives

Shiozaki, Masao,Masuko, Hidekazu

, p. 645 - 648 (1987)

Optically active 4-diethoxyphosphinyl-3-(1-hydroxyethyl)-2-azetidinone (8) was synthesized from (2R,3R)-N-diethoxyphosphinylmethyl-2,3-epoxybutyramide derivatives, and compound 8 was alternatively synthesized from (3R,4R)-4-acetoxy-3-(R)-1-(t-butyldimeth

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