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1(R)-hydroxy previtamin D3 is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

63181-18-0

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63181-18-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 63181-18-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,3,1,8 and 1 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 63181-18:
(7*6)+(6*3)+(5*1)+(4*8)+(3*1)+(2*1)+(1*8)=110
110 % 10 = 0
So 63181-18-0 is a valid CAS Registry Number.

63181-18-0Upstream product

63181-18-0Downstream Products

63181-18-0Relevant academic research and scientific papers

1α-HYDROXY PREVITAMIN D3 AND ITS SELECTIVE FORMATION FROM 1-KETO PREVITAMIN D3

Vanmaele, L. J.,Clercq, P. J. De,Vandewalle, M.,Halkes, S. J.,Overbeek, W. R. M.

, p. 1179 - 1182 (1984)

An efficient method for the preparation of crystalline 1α-hydroxy previtamin D3 is described.Also the stereoselective reduction of 1-keto previtamin 9 is discussed; it was observed that with aluminium hydride 7 is the most abundant product.This stands in contrast with previously reported LiAlH4 and NaBH4 mediated reductions.

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