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1177408-26-2

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1177408-26-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1177408-26-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,7,4,0 and 8 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1177408-26:
(9*1)+(8*1)+(7*7)+(6*7)+(5*4)+(4*0)+(3*8)+(2*2)+(1*6)=162
162 % 10 = 2
So 1177408-26-2 is a valid CAS Registry Number.

1177408-26-2Downstream Products

1177408-26-2Relevant articles and documents

A simple synthesis of imide-dipeptides

Ke, Damei,Zhan, Chuanlang,Li, Xiao,Li, Alexander D. Q.,Yao, Jiannian

experimental part, p. 1506 - 1510 (2009/12/24)

We report a simple approach to synthesize a new class of imide-dipeptides. This approach is mild, and the starting materials are the easily accessible amino acid derivatives. The imide-dipeptides were synthesized from the coupling of an amide and a 4-nitrophenyl activating ester of an amino acid. The acidic proton of the first amide was removed by 1 equivalent of n-butyl lithium to afford the corresponding amide anion which then reacted with the activating ester to give the desired imide derivatives. Georg Thieme Verlag Stuttgart.

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