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Nα,Nω,Nω'-Tris(benzyloxycarbonyl)-L-arginin is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

20888-05-5

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20888-05-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 20888-05-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,8,8 and 8 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 20888-05:
(7*2)+(6*0)+(5*8)+(4*8)+(3*8)+(2*0)+(1*5)=115
115 % 10 = 5
So 20888-05-5 is a valid CAS Registry Number.

20888-05-5Relevant academic research and scientific papers

A practical synthesis of free and protected guanidino acids from amino acids

Lal, Bansi,Gangopadhyay

, p. 2483 - 2486 (1996)

Synthesis of protected guanidino acids in one pot reaction is achieved. Amino acids are treated with trimethylsilyl chloride, triethylamine, dicarbobenzoxy-S-methyl isothiourea in dichloromethane followed by removal of silyl group by treatment with methanol to give the corresponding carbobenzoxy guanidino acids.

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