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118123-56-1

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118123-56-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 118123-56-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,8,1,2 and 3 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 118123-56:
(8*1)+(7*1)+(6*8)+(5*1)+(4*2)+(3*3)+(2*5)+(1*6)=101
101 % 10 = 1
So 118123-56-1 is a valid CAS Registry Number.

118123-56-1Downstream Products

118123-56-1Relevant articles and documents

Synthesis of Cholestenothiazoles and Cholestanooxazolidine

Ahmad, M. S.,Alam, Zafar

, p. 486 - 488 (2007/10/02)

4β,5-Epoxy-5β-cholestan-3-one (I) reacts with thiourea to afford 5β-hydroxycholest-3-eno-2'-aminothiazole (II) while with thiacetamide it furnishes 3,5-cholestadieno-2'-methylthiazole (III) and 5β-hydroxycholest-3-eno-2'-methylthiazole (IV). 6β-Chloro-5-hydroxy-5α-cholestane (V) on treatment with KSCN in dimethylformamide gives cholesta-4,6-diene (VI), 5α-chloestan-6-one (VII), 5-hydroxy-5α-cholestan-6α-yl isothiocyanate (VIII), 5-hydroxy-5α-cholestan-6-one (IX) and 5α-cholestano-2'-thiooxooxazolidine (X).The structures of these compounds have been established on the basis of spectral properties, analytical data and also by direct comparison with authentic samples where available.

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