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1209481-09-3

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1209481-09-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1209481-09-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,9,4,8 and 1 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1209481-09:
(9*1)+(8*2)+(7*0)+(6*9)+(5*4)+(4*8)+(3*1)+(2*0)+(1*9)=143
143 % 10 = 3
So 1209481-09-3 is a valid CAS Registry Number.

1209481-09-3Downstream Products

1209481-09-3Relevant academic research and scientific papers

Synthesis of pentafluorophenyl esters of nitroveratryloxycarbonyl-protected amino acids

Shin, Dong-Sik,Lee, Yoon-Sik

experimental part, p. 3307 - 3310 (2010/03/05)

For efficient peptide synthesis on a glass chip, 20 kinds of pentafluorophenyl (Pfp) esters of nitroveratryloxycarbonyl (NVOC)-protected amino acids were synthesized by using Pfp trifluoroacetate. Simple purification step gave moderate to high yield. The first loading time of each amino acid on glass surface was 30-60 min. The UV cleavage of the NVOC group was completed within 10 minutes. Georg Thieme Verlag Stuttgart - New York.

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