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(R)-3-Methyl-8-oxo-7-phenylacetylamino-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

76173-04-1

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76173-04-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 76173-04-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,1,7 and 3 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 76173-04:
(7*7)+(6*6)+(5*1)+(4*7)+(3*3)+(2*0)+(1*4)=131
131 % 10 = 1
So 76173-04-1 is a valid CAS Registry Number.

76173-04-1Relevant academic research and scientific papers

N,N'-diisopropyl-O-diphenylmethyl isourea: A mild and convenient alklating agent for the formation of cephalosporin derivatives derivatives

Cha, Kyung Hoi,Kang, Tae Won,Lee, Hong-Woo,Kim, Eung-Nam,Choi, Nam-Hee,Kim, Jung-Woo,Hong, Chung-Il

, p. 2207 - 2211 (1998)

N,N'-Diisopropyl-O-diphenylmethyl isourea reacts with cephalosporin-4- carboxylic acid in tetrahydrofuran at room temperature to give the diphenylmethyl (DPM) ester in good yields without isomerization of the double bond from C-3 to C-2.

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