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1345697-33-7

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1345697-33-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1345697-33-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,4,5,6,9 and 7 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1345697-33:
(9*1)+(8*3)+(7*4)+(6*5)+(5*6)+(4*9)+(3*7)+(2*3)+(1*3)=187
187 % 10 = 7
So 1345697-33-7 is a valid CAS Registry Number.

1345697-33-7Downstream Products

1345697-33-7Relevant articles and documents

Assembly of digitoxin by gold(I)-catalyzed glycosidation of glycosyl o-alkynylbenzoates

Ma, Yuyong,Li, Zhongzhen,Shi, Hefang,Zhang, Jian,Yu, Biao

, p. 9748 - 9756 (2012/01/04)

Digitoxin, a clinically important cardiac trisaccharide, was assembled efficiently from digitoxigenin and 3,4-di-O-tert-butyldiphenylsilyl-d- digitoxosyl o-cyclopropylethynylbenzoate in 9 steps and 52% overall yield via alternate glycosylation and protecting group manipulation. The present synthesis showcases the advantage of the gold(I)-catalyzed glycosylation protocol in the synthesis of glycoconjugates containing acid-labile 2-deoxysugar linkages.

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