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(5Z)-10-Oxo-19-norcholecalciferolacetat is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

149981-53-3

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149981-53-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 149981-53-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,9,9,8 and 1 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 149981-53:
(8*1)+(7*4)+(6*9)+(5*9)+(4*8)+(3*1)+(2*5)+(1*3)=183
183 % 10 = 3
So 149981-53-3 is a valid CAS Registry Number.

149981-53-3Relevant academic research and scientific papers

A Selective Degradation of the Exomethylene Group of Vitamin D. - A Simple Entry to 10-Oxo-19-norcholecalciferol and 10-Oxo-19-norergocalciferol

Reischl, Wolfgang

, p. 587 - 594 (2007/10/02)

Nitrile oxides, generated in situ from nitroalkanes, add exclusively to the exomethylene group of (Z)- and (E)-vitamin D3 acetates (1a, 12a) and D2 acetates (1b, 12b).The so generated spirocyclic isoxazoline derivatives are transform

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