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31505-46-1

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31505-46-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 31505-46-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,5,0 and 5 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 31505-46:
(7*3)+(6*1)+(5*5)+(4*0)+(3*5)+(2*4)+(1*6)=81
81 % 10 = 1
So 31505-46-1 is a valid CAS Registry Number.

31505-46-1Relevant articles and documents

New effective synthesis of (N-acetyl- and N-stearoyl-2-amino-2-deoxy-β-D-glucopyranosyl)-(1→4)N-acetyln or-muramoyl-L-2-aminobutanoyl-D-isoglutamine, analogs of GMDP with immunopotentiating activity

Ledvina, Miroslav,Zyka, Daniel,Jezek, Jan,Trnka, Tomas,Saman, David

, p. 577 - 589 (1998)

Ethyl 3,4,6-tri-O-benzyl-2-deoxy-2-phthalimido-1-thio-β-D-glucopyranoside (5), prepared by benzylation of ethyl 2-deoxy-2-phthalimido-1-thio-β-D-glucopyranoside (4), was transformed by reaction with bromine into 3,4,6-tri-O-benzyl-2-deoxy-2-phthalimido-β-

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