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1027564-45-9

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1027564-45-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1027564-45-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,7,5,6 and 4 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1027564-45:
(9*1)+(8*0)+(7*2)+(6*7)+(5*5)+(4*6)+(3*4)+(2*4)+(1*5)=139
139 % 10 = 9
So 1027564-45-9 is a valid CAS Registry Number.

1027564-45-9Relevant articles and documents

Efficient and regioselective synthesis of 5-hydroxy-2-isoxazolines: Versatile synthons for isoxazoles, β-lactams, and γ-amino alcohols

Tang, Shibing,He, Jinmei,Sun, Yongquan,He, Liuer,She, Xuegong

supporting information; experimental part, p. 1961 - 1966 (2010/06/20)

"Chemical Equation Presented" An efficient and highly regioselective protocol was developed for the preparation of 5-hydroxy2-isoxazolines, which have been proved to be versatile synthons for isoxazles, β-hydroxy oximes, and γ-amino alcohols. β-Lactams, commonly embedded in the skeletons of bioactive natural products, were also synthesized in two steps from β-hydroxy oximes, providing a new strategy for the synthesis of this kind of compounds.

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