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1227042-59-2

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1227042-59-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1227042-59-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,7,0,4 and 2 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1227042-59:
(9*1)+(8*2)+(7*2)+(6*7)+(5*0)+(4*4)+(3*2)+(2*5)+(1*9)=122
122 % 10 = 2
So 1227042-59-2 is a valid CAS Registry Number.

1227042-59-2Downstream Products

1227042-59-2Relevant academic research and scientific papers

Preparation and use of cysteine orthoesters for solid-supported synthesis of peptides

Huang, Zedu,Derksen, Darren J.,Vederas, John C.

supporting information; experimental part, p. 2282 - 2285 (2010/08/04)

Synthesis of a chiral cysteine derivative 2 with the carboxyl protected by an acid-labile 4-methyl-2,6,7-trioxabicyclo[2.2.2]octyl (OBO) orthoester is reported. A disulfide anchoring strategy is used to link the sulfur of this OBO cysteine derivative onto

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