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87363-78-8

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87363-78-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87363-78-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,3,6 and 3 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 87363-78:
(7*8)+(6*7)+(5*3)+(4*6)+(3*3)+(2*7)+(1*8)=168
168 % 10 = 8
So 87363-78-8 is a valid CAS Registry Number.

87363-78-8Downstream Products

87363-78-8Relevant articles and documents

Dehydrooligopeptides. VII. Convenient Synthesis of Various Dehydrodi- and tripeptide Esters by Using N-Carboxy α-Dehydroamino Acid Anhydride

Shin, Chuung-gi,Yonezawa, Yasuchika,Ikeda, Masahiro

, p. 3573 - 3579 (2007/10/02)

The one-pot syntheses of N-protected Δ1- and Δ2-dehydrodipeptide esters by the coupling of N-carboxy α-dehydroamino acid anhydride (ΔNCA) with several kinds of C- or N-protected L-α-amino acids are described.In addition, it was found that a similar coupling of ΔNCA with both C- and N-protected α-amino acids also took place to give Δ2-dehydrotripeptide derivatives, involving eight kinds of important C-terminal segments of antrimycins and cirratiomycins.The configurational confirmation of the α-dehydroisoleucine residue of the antibiotics is also discussed.

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