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73473-85-5

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73473-85-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 73473-85-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,4,7 and 3 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 73473-85:
(7*7)+(6*3)+(5*4)+(4*7)+(3*3)+(2*8)+(1*5)=145
145 % 10 = 5
So 73473-85-5 is a valid CAS Registry Number.

73473-85-5Upstream product

73473-85-5Downstream Products

73473-85-5Relevant articles and documents

Reactions of Hydrogen Chloride with 3-Methyl-1-butyne: Cycloaddition and Rearrangement Reactions via Vinyl Cations

Stammann, Guenter,Griesbaum, Karl

, p. 598 - 606 (2007/10/02)

3-Methyl-1-butyne was reacted with anhydrous hydrogen chloride in the liquid phase at ambient temperatures.A total of 12 products were identified: three monoadducts (4, 6, 9), three diadducts (5, 7, 10), one substitution product (8), as well as five cycloaddition products having cyclobutane structures (11-15).Model reactions provided evidence for the mode of formation of the reaction products.

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