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87137-45-9

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87137-45-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87137-45-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,1,3 and 7 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 87137-45:
(7*8)+(6*7)+(5*1)+(4*3)+(3*7)+(2*4)+(1*5)=149
149 % 10 = 9
So 87137-45-9 is a valid CAS Registry Number.

87137-45-9Relevant articles and documents

Synthesis of a Biologically Active Fluorescent Muramyl Dipeptide Congener

Hiebert, C. K.,Kopp, W. C.,Richerson, H. B.,Barfknecht, C. F.

, p. 1729 - 1732 (1983)

A fluorescent-labeled muramyl dipeptide (MDP) has been prepared to probe immunoadjuvant cellular interactions.N-Acetylmuramyl-L-alanyl-D-isoglutamine (1) was synthesized in improved yield and reacted with 2-(fluoroesceinylamino)-4,6-dichloro-s-triazine (DTAF,2) to give the fluorescent adduct DTAF-MDP (3), attached through the 6-position of the sugar moiety.Adjuvant activity was assessed by using two different in vitro assays, macrophage spreading, and inhibition of macrophage migration.Both assays indicated that the apparent adjuvant activity of 3 is comparable to that of 1.

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