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((R)-4-{(1R,3aS,7aR)-4-[2-[(3S,5R)-3,5-Bis-(tert-butyl-dimethyl-silanyloxy)-2-methylene-cyclohex-(Z)-ylidene]-eth-(E)-ylidene]-7a-methyl-octahydro-inden-1-yl}-pentyl)-phosphonic acid dimethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

137548-48-2

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137548-48-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137548-48-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,5,4 and 8 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 137548-48:
(8*1)+(7*3)+(6*7)+(5*5)+(4*4)+(3*8)+(2*4)+(1*8)=152
152 % 10 = 2
So 137548-48-2 is a valid CAS Registry Number.

137548-48-2Relevant academic research and scientific papers

25-PHOSPHORUS ANALOGS OF VITAMIN D3

Dauben, William G.,Ollmann, Richard R.,Funhoff, Angelika S.,Leung, Suzanne S.,Norman, Anthony W.,Bishop, June E.

, p. 4643 - 4646 (2007/10/02)

The syntheses of 1α-hydroxy-25-oxo-25-phosphavitamin D3, 25-oxo-25-phospha-26,27-dioxa-26,27-dimethylvitamin D3, and 1α-hydroxy-25-oxo-25-phospha-26,27-dioxa-26,27-dimethylvitamin D3 are reported.The biological activity of

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