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181116-74-5

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181116-74-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 181116-74-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,1,1,1 and 6 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 181116-74:
(8*1)+(7*8)+(6*1)+(5*1)+(4*1)+(3*6)+(2*7)+(1*4)=115
115 % 10 = 5
So 181116-74-5 is a valid CAS Registry Number.

181116-74-5Downstream Products

181116-74-5Relevant articles and documents

Synthesis, biological activity, and conformational analysis of four seco-D-15,19-bisnor-1α,25-dihydroxyvitamin D analogues, diastereomeric at C17 and C20

Zhou, Xiaoming,Zhu, Gui-Dong,Van Haver, Dirk,Vandewalle, Maurits,De Clercq, Pierre J.,Verstuyf, Annemieke,Bouillon, Roger

, p. 3539 - 3556 (2007/10/03)

The synthesis of four CD-ring-modified 19-nor-1α,25-dihydroxyvitamin D3 derivatives lacking C15, referred to as 6C analogues, and diastereomeric at C17 and C20 is described. The synthesis involves an Ireland-Claisen rearrangement of a 3-methyl-

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