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132903-67-4

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132903-67-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 132903-67-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,2,9,0 and 3 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 132903-67:
(8*1)+(7*3)+(6*2)+(5*9)+(4*0)+(3*3)+(2*6)+(1*7)=114
114 % 10 = 4
So 132903-67-4 is a valid CAS Registry Number.

132903-67-4Downstream Products

132903-67-4Relevant articles and documents

A new method for peptide synthesis in the N→C direction: Amide assembly through silver-promoted reaction of thioamides

Pourvali, Aysa,Cochrane, James R.,Hutton, Craig A.

, p. 15963 - 15966 (2014)

The Ag(i)-promoted coupling of amino acids and peptides with amino ester thioamides generates peptide imides without epimerisation. The peptide imides undergo regioselective hydrolysis under mild conditions to generate native peptides. This method was employed to prepare the pentapeptide thymopentin in the N→C direction, in high yield and purity.

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