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169061-79-4

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169061-79-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 169061-79-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,9,0,6 and 1 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 169061-79:
(8*1)+(7*6)+(6*9)+(5*0)+(4*6)+(3*1)+(2*7)+(1*9)=154
154 % 10 = 4
So 169061-79-4 is a valid CAS Registry Number.

169061-79-4Relevant articles and documents

Preparation of Building Blocks for Glycopeptide Synthesis by Glycosylation of Fmoc Amino Acids Having Unprotected Carboxyl Groups

Salvador, Lourdes A.,Eloffson, Mikael,Kihlberg, Jan

, p. 5643 - 5656 (1995)

Nα-Fmoc amino acids with an unprotected α-carboxyl group have been glycosylated with carbohydrate 1,2-trans peracetates using Lewis acids as promoters.Aliphatic and phenolic O- and S-glycosides of amino acids, with a 1,2-trans anomeric configuration, were obtained as products in 34-65percent yields.The glycosylated building blocks have the protective groups of choice (i.e.O-acetyl and Nα-Fmoc) for direct use in stepwise synthesis of glycopeptides.The starting materials are readily available and the method does not require an extensive experience in synthetic carbohydrate chemistry.

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