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763904-56-9

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763904-56-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 763904-56-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,6,3,9,0 and 4 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 763904-56:
(8*7)+(7*6)+(6*3)+(5*9)+(4*0)+(3*4)+(2*5)+(1*6)=189
189 % 10 = 9
So 763904-56-9 is a valid CAS Registry Number.

763904-56-9Downstream Products

763904-56-9Relevant articles and documents

Synthesis of a novel azapseudodisaccharide related to allosamidin employing N,N'-diacetylchitobiose as a key starting material

Takahashi, Shunya,Terayama, Hiroyuki,Koshino, Hiroyuki,Kuzuhara, Hiroyoshi

, p. 14871 - 14884 (2007/10/03)

Design and synthesis of a potential chitinase inhibitor 4, related to allosamidin (2), is described. Radical cyclization mediated by tributyltin hydride was applied for the first time to chitobiose-derived oxime ethers 9a,b to give four stereoisomers of an aminocyclopentane derivative connected to an N-acetyl-D- glucosamine residue at C-1 position. The major isomer 10b was efficiently converted into a novel pseudodisaccharide 4 via a series of cyclic-guanidine formation reaction.

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