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(Z)-(5R)-3-(2-phenylsulphonylethylidene)-4-oxa-1-azabicyclo<3.2.0>heptan-7-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

71670-35-4

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71670-35-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 71670-35-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,6,7 and 0 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 71670-35:
(7*7)+(6*1)+(5*6)+(4*7)+(3*0)+(2*3)+(1*5)=124
124 % 10 = 4
So 71670-35-4 is a valid CAS Registry Number.

71670-35-4Downstream Products

71670-35-4Relevant academic research and scientific papers

Synthesis of Novel β-Lactamase Inhibitors from Clavulanic Acid. Preparation and Chemical Reaction of (5R)-3-Vinyl-4-oxa-1-azabicyclohept-2-en-7-one

Hunt, Eric,Zomaya, Iskander I.

, p. 1509 - 1517 (2007/10/02)

Three methods for the preparation of (5R)-3-vinyl-4-oxa-1-azabicyclohept-2-en-7-one (2) have been developed; the most convenient method involves the reaction of clavulanic acid with NN-dimethylformamide dimethyl acetal.Hydrogenation of the diene (2

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