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123621-78-3

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123621-78-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 123621-78-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,6,2 and 1 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 123621-78:
(8*1)+(7*2)+(6*3)+(5*6)+(4*2)+(3*1)+(2*7)+(1*8)=103
103 % 10 = 3
So 123621-78-3 is a valid CAS Registry Number.

123621-78-3Downstream Products

123621-78-3Relevant articles and documents

Synthesis and Structure of Cyclic Phosphopeptides Containing a Phosphodiester Linkage

Oijen, Anita H.,Behrens, Stefan,Mierke, Dale F.,Kessler, Horst,Boom, Jacques H. van,Liskamp, Rob M. J.

, p. 3722 - 3730 (2007/10/02)

The synthesis of three cyclic phosphopeptides, which contain a phosphodiester linkage, is described.Starting from either Boc-L-Ser(OBn)-OH or Boc-L-Thr(OBn)-OH, three precursors for the macrocyclization by phosphitylation were prepared.After phosphitylati

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