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199798-50-0

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199798-50-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 199798-50-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,9,7,9 and 8 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 199798-50:
(8*1)+(7*9)+(6*9)+(5*7)+(4*9)+(3*8)+(2*5)+(1*0)=230
230 % 10 = 0
So 199798-50-0 is a valid CAS Registry Number.

199798-50-0Downstream Products

199798-50-0Relevant articles and documents

NOVEL METHOD

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, (2008/06/13)

There is provided a method of prevention of adhesions, eg surgical adhesions, which comprises using a vitamin D compound.

SYNTHESIS OF 1α-FLUORO-25-HYDROXY-16-23E-DIENE-26,27-BISHOMO-20-EPI-CHOLECALCIFEROL

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Page/Page column 55, (2008/12/07)

The invention provides a method of producing 20-methyl vitamin D3 compounds of formula (I). The method includes hydroxylation, carbonyl reduction, fluoride substitution, epoxide deoxygenation, and Wittig-type couplings.

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