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17460-58-1

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17460-58-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 17460-58-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,4,6 and 0 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 17460-58:
(7*1)+(6*7)+(5*4)+(4*6)+(3*0)+(2*5)+(1*8)=111
111 % 10 = 1
So 17460-58-1 is a valid CAS Registry Number.

17460-58-1Relevant articles and documents

Ecological base-conditioned preparation of dipeptides using unprotected α-amino acids containing hydrophilic side chains

Ezawa, Tetsuya,Jung, Seunghee,Kawashima, Yuya,Noguchi, Takuya,Imai, Nobuyuki

, p. 689 - 696 (2017/07/22)

The coupling reactions of 3-phenylpropanoic acid and Ncarboxybenzyl á-amino acids with unprotected á-amino acids containing hydrophilic side chains such as aliphatic alcohol, aromatic alcohol, thiol, carboxylic acid, and amide afforded the corresponding amides in 6696% yield without racemization via the corresponding mixed carbonic carboxylic anhydrides under basic conditions through an ecological green synthetic method.

Chemical ligation from O-acyl isopeptides via 8-and 11-membered cyclic transition states

Panda, Siva S.,Elagawany, Mohamed,Marwani, Hadi M.,Calyakan, Eray,El Khatib, Mirna,Oliferenko, Alexander,Alamry, Khalid A.,Katritzky, Alan R.

, p. 91 - 106 (2014/04/17)

Unprotected O-acylated serine and O-acylated threonine isopeptides have been synthesized, and their conversion to native tripeptides and tetrapeptides by O-to N-terminus transfer investigated. Ligations involving 8-and 11-membered cyclic transition states

Highly diastereoselective peptide chain extensions of unprotected amino acids with N-(Z-α-aminoacyl)benzotriazoles

Katritzky, Alan R.,Suzuki, Kazuyuki,Singh, Sandeep K.

, p. 2645 - 2652 (2007/10/03)

Coupling an unprotected amino acid or dipeptide in partially aqueous solution with a readily available N-(Z-α-amino-acyl)benzotriazole or N-(Z-α-aminopetidoyl)benzotriazole affords N-terminal-protected di-, tri-, and tetrapeptides in yields of 85-98% (average 95% for 2a-i, 93% for 4a-f and 4a′, 86% for 5a-b) with minimal epimerization.

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