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506423-08-1

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506423-08-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 506423-08-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,6,4,2 and 3 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 506423-08:
(8*5)+(7*0)+(6*6)+(5*4)+(4*2)+(3*3)+(2*0)+(1*8)=121
121 % 10 = 1
So 506423-08-1 is a valid CAS Registry Number.

506423-08-1Downstream Products

506423-08-1Relevant articles and documents

Synthesis of a-ring synthon of 19-nor-1alpha,25-dihydroxyvitamin D3 from (D)-glucose

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Page 9, (2010/02/07)

The present invention provides a method for the synthesis of an A-ring synthon phosphine oxide used in the preparation of 19-nor vitamin D compounds, and to novel synthetic intermediates formed during the synthesis. The new method prepares the phosphine oxide from (D)-glucose.

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