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236753-54-1

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236753-54-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 236753-54-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,3,6,7,5 and 3 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 236753-54:
(8*2)+(7*3)+(6*6)+(5*7)+(4*5)+(3*3)+(2*5)+(1*4)=151
151 % 10 = 1
So 236753-54-1 is a valid CAS Registry Number.

236753-54-1Upstream product

236753-54-1Downstream Products

236753-54-1Relevant articles and documents

Convergent approaches for the synthesis of the antitumoral peptide, Kahalalide F. study of orthogonal protecting groups

Gracia, Carolina,Isidro-Llobet, Albert,Cruz, Luis J.,Acosta, Gerardo A.,Alvarez, Mercedes,Cuevas, Carmen,Giralt, Ernest,Albericio, Fernando

, p. 7196 - 7204 (2008/02/01)

Kahalalide compounds are peptides that are isolated from a Hawaiian herbivorous marine species of mollusc, Elysia rufescens, and its diet, the green alga Bryopsis sp. Kahalalide F and its synthetic analogues are the most promising compounds of the Kahalalide family because they show antitumoral activity. Linear solid-phase syntheses of Kahalalide F have been reported. Here we describe several new improved synthetic routes based on convergent approaches with distinct orthogonal protection schemes for the preparation of Kahaladide analogues. These strategies allow a better control and characterization of the intermediates because more reactions are performed in solution.

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