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Methyl 2-O,3-O-diacetyl-4-(acetylamino)-4,6-dideoxy-α-D-mannopyranoside is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

20197-44-8

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20197-44-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 20197-44-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,1,9 and 7 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 20197-44:
(7*2)+(6*0)+(5*1)+(4*9)+(3*7)+(2*4)+(1*4)=88
88 % 10 = 8
So 20197-44-8 is a valid CAS Registry Number.

20197-44-8Upstream product

20197-44-8Relevant academic research and scientific papers

Tallysomycin, a new antitumor antibiotic complex related to bleomycin. II. Structure determination of tallysomycins A and B

Konishi,Saito,Numata,Tsuno,Asama

, p. 789 - 805 (2007/10/07)

The structures of tallysomycins A and B, two major components of a new antitumor antibiotic complex, have been determined. They are glycopeptide antibiotics structurally related to bleomycin: four amino acid moieties and a disaccharide fragment which are the constituents of bleomycin molecule are also present in the tallysomycins. Tallysomycins A and B contain two new amino acids and a unique amino sugar, 4-amino-4,6-dideoxy-L-talose, which have not been hitherto found in the phleomycin-bleomycin group of antibiotics. In addition tallysomycin A has an additional amino acid, L-β-lysine, and thus a longer peptide chain than bleomycin or tallysomycin B. Tallysomycins A and B have the same terminal amine moiety, spermidine.

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