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(20S)-22-benzamido-6β-methoxy-3α,5-cyclo-26,27-bisnorcholest-22-ene-24-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

227750-07-4

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227750-07-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 227750-07-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,7,7,5 and 0 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 227750-07:
(8*2)+(7*2)+(6*7)+(5*7)+(4*5)+(3*0)+(2*0)+(1*7)=134
134 % 10 = 4
So 227750-07-4 is a valid CAS Registry Number.

227750-07-4Relevant academic research and scientific papers

Nitrile oxide approach to the synthesis of Δ23-22-oxo steroids

Khripach,Zhabinskii,Pavlovskii

, p. 1575 - 1582 (2007/10/03)

Δ23-22-Oxo steroids were synthesized via 1,3-dipolar cycloaddition of steroidal nitrile oxides to low-molecular dipolarophiles. Cycloaddition of 2-propynyl bromide to 20-carbonitrile oxide, followed by hydrogenation of the isoxazole derivative

Synthesis and X-ray analysis of (20S)-22-benzamido-6β-methoxy-3α,5-cyclo-26,27-bisnorcholest-22-ene- 24-one

Khripach,Zhabinskii,Pavlovskii,Lyakhov,Govorova

, p. 759 - 763 (2007/10/03)

(20S)-22-Benzamido-6β-methoxy-3α,5-cyclo-26,27-bisnorcholest- 22- en-24-one is synthesized. Its molecular and crystal structures are determined by X-ray analysis: orthorombic crystals, space group P212121 with a = 10.909(4

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