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1-Silapentalen-5(1H)-one, 2,3,3a,4-tetrahydro-4-(2E)-2-octenylidene-1,1-diphenyl-, (4E)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

657390-19-7

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657390-19-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 657390-19-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,5,7,3,9 and 0 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 657390-19:
(8*6)+(7*5)+(6*7)+(5*3)+(4*9)+(3*0)+(2*1)+(1*9)=187
187 % 10 = 7
So 657390-19-7 is a valid CAS Registry Number.

657390-19-7Relevant academic research and scientific papers

The First Total Synthesis of 15-Deoxy-Δ12,14- prostaglandin J2 and the Unambiguous Assignment of the C 14 Stereochemistry

Brummond, Kay M.,Sill, Peter C.,Chen, Hongfeng

, p. 149 - 152 (2007/10/03)

(Matrix presented) The first total synthesis of 15-deoxy-Δ 12,14-prostaglandin J2 is reported. The highly unsaturated cyclopentenone prostaglandin was obtained via a silicon-tethered allenic [2 + 2 + 1] cycloaddition reaction develop

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