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205449-15-6

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205449-15-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 205449-15-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,5,4,4 and 9 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 205449-15:
(8*2)+(7*0)+(6*5)+(5*4)+(4*4)+(3*9)+(2*1)+(1*5)=116
116 % 10 = 6
So 205449-15-6 is a valid CAS Registry Number.

205449-15-6Relevant articles and documents

A convenient synthesis of a N-protected l-carbamoylpolyoxamic acid derivative: Total synthesis of (+)-polyoxin J and (+)-polyoxin L1

Uchida, Kimio,Kato, Keisuke,Akita, Hiroyuki

, p. 1678 - 1686 (2007/10/03)

A convenient synthesis of the N-protected L-carbamoylpolyoxamic acid derivative 7 from 4-O-tert-butyldiphenylsilyl-2,3-isopropylidene-L-threose (8) using vinylmagnesium bromide and its application to the total syntheses of the peptidyl nucleoside antibiotics, polyoxins J (1) and L (2), are described.

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