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3,5,5-Trimethyl-1-amino-4-cyanocyclohexa-1,3-diene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

77216-91-2

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77216-91-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77216-91-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,2,1 and 6 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 77216-91:
(7*7)+(6*7)+(5*2)+(4*1)+(3*6)+(2*9)+(1*1)=142
142 % 10 = 2
So 77216-91-2 is a valid CAS Registry Number.

77216-91-2Upstream product

77216-91-2Relevant academic research and scientific papers

A NOVEL CYCLODIMERIZATION OF 3-METHYL-3-BUTENENITRILE. AN EFFICIENT SYNTHESIS OF 4-CYANOISOPHORONE

Takabe, Kunihiko,Ohkawa, Suguru,Sato, Toshio,Tang, Gia Hien,Katagiri, Takao

, p. 3883 - 3884 (2007/10/02)

Dimerization of 3-methyl-3-butenenitrile (1) by lithium dialkylamide gave selectively 3,5,5-trimethyl-1-amino-4-cyanocyclohexa-1,3-diene (2), which was easily hydrolyzed by aqueous acid to afford 4-cyanoisophorone (3,5,5-trimethyl-4-cyanocyclohex-2-enone)

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