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L-Leucine, glycylglycyl-4-iodo-L-phenylalanyl- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

669775-05-7

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669775-05-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 669775-05-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,9,7,7 and 5 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 669775-05:
(8*6)+(7*6)+(6*9)+(5*7)+(4*7)+(3*5)+(2*0)+(1*5)=227
227 % 10 = 7
So 669775-05-7 is a valid CAS Registry Number.

669775-05-7Downstream Products

669775-05-7Relevant academic research and scientific papers

Regioselective Postsynthetic Modification of Phenylalanine Side Chains of Peptides Leading to Uncommon ortho-Iodinated Analogues

Espuna, Gemma,Arsequell, Gemma,Valencia, Gregorio,Barluenga, Jose,Alvarez-Gutierrez, Julia M.,Ballesteros, Alfredo,Gonzalez, Jose M.

, p. 325 - 329 (2004)

A convenient and direct iodination of Phe residues in peptide sequences was observed upon treatment with IPy2BF4. The experimental conditions were optimized (see scheme) and the role of the peptidyl fragment to drive the formation of

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