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(1R,5S)-3-phenyl-6-(1-diphenylmethoxycarbonyl-2-methylprop-1-enyl)-7-oxo-4-oxa-2,6-diazabicyclo[3.2.0]hept-2-ene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

68057-04-5

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68057-04-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 68057-04-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,0,5 and 7 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 68057-04:
(7*6)+(6*8)+(5*0)+(4*5)+(3*7)+(2*0)+(1*4)=135
135 % 10 = 5
So 68057-04-5 is a valid CAS Registry Number.

68057-04-5Relevant articles and documents

Preparation method of 3-chloromethyl oxacephem antibiotics parent nucleus

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Paragraph 0009; 0012, (2017/02/02)

The invention discloses a preparation method of 3-chloromethyl oxacephem antibiotics parent nucleus and belongs to the technical field of drug synthesis. According to the invention, compound 1 is used as the raw material, and a three-step reaction is carr

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