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Glycine, N-[N-[(phenylmethoxy)carbonyl]-O-(phenylmethyl)-L-tyrosyl]-, ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

21869-36-3

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21869-36-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21869-36-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,8,6 and 9 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 21869-36:
(7*2)+(6*1)+(5*8)+(4*6)+(3*9)+(2*3)+(1*6)=123
123 % 10 = 3
So 21869-36-3 is a valid CAS Registry Number.

21869-36-3Relevant academic research and scientific papers

Efficient Removal of N-Benzyloxycarbonyl Group by a 'Push-Pull' Mechanism using Thioanisole-Trifluoroacetic Acid, Examplified by a Synthesis of Met-Enkephalin

Kiso, Yoshiaki,Ukawa, Kazuko,Akita, Tadashi

, p. 101 - 102 (2007/10/02)

The N-benzyloxycarbonyl group can be smoothly cleaved under mild conditions, using thioanisole-trifluoroacetic acid, which can deprotect O-benzyltyrosine without the formation of O-to-C rearrangement products; this deblocking method was successfully applied to the synthesis of Met-enkephalin.

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