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{(S)-3-((R)-1-Allyloxycarbonyloxy-ethyl)-2-[2-(4,5-dimethyl-2,6-dioxo-3,6-dihydro-2H-pyrimidin-1-yl)-acetylsulfanyl]-4-oxo-azetidin-1-yl}-(triphenyl-λ5-phosphanylidene)-acetic acid allyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

133260-74-9

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133260-74-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 133260-74-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,2,6 and 0 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 133260-74:
(8*1)+(7*3)+(6*3)+(5*2)+(4*6)+(3*0)+(2*7)+(1*4)=99
99 % 10 = 9
So 133260-74-9 is a valid CAS Registry Number.

133260-74-9Downstream Products

133260-74-9Relevant academic research and scientific papers

SYNTHESIS OF REGIOSPECIFICALLY SUBSTITUTED PYRIMIDYL DERIVATIVES AND THEIR INCORPORATION INTO PENEMS

Capraro, Hans-Georg,Lang, Marc,Schneider, Peter

, p. 643 - 652 (2007/10/02)

Syntheses of regiospecifically substituted pyrimidines are described.Depending on the reaction conditions, N1- or N3-substituted pyrimidines are obtained.It has been shown that substitution on uracil under Mitsunobu conditions yields N1-substituted products.Incorporation of these derivatives into the penem nucleus gives penem antibiotics with extremely long half-lives.

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