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(20S)-22-benzoylamino-24-hydroxy-6β-methoxy-24-methyl-3α,5-cyclo-5α-cholest-22-ene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

437703-01-0

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437703-01-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 437703-01-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,7,7,0 and 3 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 437703-01:
(8*4)+(7*3)+(6*7)+(5*7)+(4*0)+(3*3)+(2*0)+(1*1)=140
140 % 10 = 0
So 437703-01-0 is a valid CAS Registry Number.

437703-01-0Downstream Products

437703-01-0Relevant academic research and scientific papers

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

Khripach,Zhabinskii,Pavlovskii

, p. 1575 - 1582 (2001)

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

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