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129141-71-5

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129141-71-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 129141-71-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,1,4 and 1 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 129141-71:
(8*1)+(7*2)+(6*9)+(5*1)+(4*4)+(3*1)+(2*7)+(1*1)=115
115 % 10 = 5
So 129141-71-5 is a valid CAS Registry Number.

129141-71-5Relevant articles and documents

p-Methoxybenzyl as a New N3-Imide Protecting Group of 5-Fluorouridine and Its Application to the Synthesis of 5'-O-Acryloyl-5-fluorouridine

Akiyama, Takahiko,Kumegawa, Masahiro,Takesue, Yasuhiro,Nishimoto, Hiroyuki,Ozaki, Shoichiro

, p. 339 - 342 (1990)

5'-O-Acryloyl-5-fluorouridine was prepared by use of p-methoxybenzyl (PMB) group as a new N3-imide protecting group of 5-fluorouridine.A chemoselective method for protection has been developed by use of ethyldiisopropylamine as a base and depro

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