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405261-70-3

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405261-70-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 405261-70-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,5,2,6 and 1 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 405261-70:
(8*4)+(7*0)+(6*5)+(5*2)+(4*6)+(3*1)+(2*7)+(1*0)=113
113 % 10 = 3
So 405261-70-3 is a valid CAS Registry Number.

405261-70-3Downstream Products

405261-70-3Relevant articles and documents

Preparation of 10-Trifluoromethyl Artemether and Artesunate. Influence of Hexafluoropropan-2-ol on Substitution Reaction

Magueur, Guillaume,Crousse, Benoit,Ourevitch, Michele,Begue, Jean-Pierre,Bonnet-Delpon, Daniele

, p. 9763 - 9766 (2003)

To prepare 10-trifluoromethyl analogues of important antimalarials such as artemether and artesunate, the substitution reaction of the 10-trifluoromethyl hemiketal 6 and bromide 4 derived from artemisinin was investigated. While 6 appeared to be unreactiv

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