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143724-93-0

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143724-93-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 143724-93-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,7,2 and 4 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 143724-93:
(8*1)+(7*4)+(6*3)+(5*7)+(4*2)+(3*4)+(2*9)+(1*3)=130
130 % 10 = 0
So 143724-93-0 is a valid CAS Registry Number.

143724-93-0Relevant articles and documents

Stereocontrolled Route to the δ-Benzylidenemethyl-β-hydroxy-δ-lactone System Utilizing a New Chiral Epoxyacetylene Building Block

Takano, Seiichi,Kamikubo, Takashi,Sugihara, Takumichi,Ogasawara, Kunio

, p. 853 - 856 (2007/10/02)

Stereocontrolled route to the δ-benzylidenemethyl-β-hydroxy-δ-lactone system has been developed utilizing a new epoxyacetylene building block prepared from optically active epichlorohydrin.The present synthesis allowed efficient construction of goniothalamin in natural and unnatural forms and its 3-hydroxy derivative having the essential anti-β/δ-stereochemistry for HMG Co-A reductase inhibition.

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