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189367-29-1

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189367-29-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 189367-29-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,3,6 and 7 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 189367-29:
(8*1)+(7*8)+(6*9)+(5*3)+(4*6)+(3*7)+(2*2)+(1*9)=191
191 % 10 = 1
So 189367-29-1 is a valid CAS Registry Number.

189367-29-1Upstream product

189367-29-1Downstream Products

189367-29-1Relevant academic research and scientific papers

Efficient synthesis of phosphotyrosine building blocks using imidazolium trifluoroacetate

Gomez, Cindy,Chen, Jianyong,Wang, Shaomeng

, p. 6691 - 6692 (2009)

We have successfully employed imidazolium trifluoroacetate as a replacement for tetrazole for efficient synthesis of phosphotyrosine. This modification is compatible with the protecting groups commonly used in solution phase and Fmoc-solid phase peptide s

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