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123228-25-1

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123228-25-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 123228-25-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,2,2 and 8 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 123228-25:
(8*1)+(7*2)+(6*3)+(5*2)+(4*2)+(3*8)+(2*2)+(1*5)=91
91 % 10 = 1
So 123228-25-1 is a valid CAS Registry Number.

123228-25-1Relevant articles and documents

Biomimetic peptide bond formation in water with aminoacyl phosphate esters

Dhiman, Raj S.,Opinska, Liliana Guevara,Kluger, Ronald

supporting information; experimental part, p. 5645 - 5647 (2011/09/15)

Aminoacyl phosphates, biomimetic analogues of aminoacyl adenylates, react efficiently with amino acid esters to form dipeptides with retention of stereochemical integrity. The reactions are selective and occur readily in the presence of nucleophiles other than amino groups on their side chains. Aminoacyl phosphate esters that lack an amino-protecting group are also suitable for peptide bond formation, leading to a simplified overall process.

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