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5-Thiaspiro[3.4]octane-8,8-dicarbonitrile, 1,1,3,3-tetramethyl-2-oxo-7-phenyl- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

137145-10-9

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137145-10-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137145-10-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,1,4 and 5 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 137145-10:
(8*1)+(7*3)+(6*7)+(5*1)+(4*4)+(3*5)+(2*1)+(1*0)=109
109 % 10 = 9
So 137145-10-9 is a valid CAS Registry Number.

137145-10-9Downstream Products

137145-10-9Relevant academic research and scientific papers

Can polymerization trap intermediates in 1,3-dipolar cycloadditions?

Huisgen, Rolf,Penelle, Jacques,Mloston, Grzegorz,Padias, Anne Buyle,Hall Jr.

, p. 266 - 274 (2007/10/02)

2,2,4,4-Tetramethyl-3-thioxocyclobutanone 5-methylide (TTCM) is a nucleophilic 1,3-dipole which is known to undergo two-step cycloadditions to very electron poor olefins. When this 1,3-dipole is generated from its precursor, the 1,3,4-thiadiazoline 7, in

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