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1-Butene, 2,3,4,4,4-pentafluoro- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

721970-20-3

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721970-20-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 721970-20-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,2,1,9,7 and 0 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 721970-20:
(8*7)+(7*2)+(6*1)+(5*9)+(4*7)+(3*0)+(2*2)+(1*0)=153
153 % 10 = 3
So 721970-20-3 is a valid CAS Registry Number.

721970-20-3Upstream product

721970-20-3Downstream Products

721970-20-3Relevant academic research and scientific papers

Alternative synthetic routes to hydrofluoroolefins

Yagupolskii, Yu. L.,Pavlenko,Shelyazhenko,Filatov,Kremlev,Mushta,Gerus,Peng, Sheng,Petrov,Nappa, Mario

, p. 134 - 141 (2015)

A series of hydrofluoroolefins with -CF=CH2, -CH=CHF and -CH=CF2 groups were designed and prepared via various synthetic routes, including HX or BrF elimination, Wittig-type olefination or fluorination using SF4.

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