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Benzene, 1,1'-[(4-methylpentylidene)bis(thio)]bis- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

71221-29-9

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71221-29-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 71221-29-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,2,2 and 1 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 71221-29:
(7*7)+(6*1)+(5*2)+(4*2)+(3*1)+(2*2)+(1*9)=89
89 % 10 = 9
So 71221-29-9 is a valid CAS Registry Number.

71221-29-9Relevant academic research and scientific papers

A Regiospecific Route to Conjugated Enones via α-Phenylthio Ketones

Durman, John,Elliott, Jason,McElroy, Andrew B.,Warren, Stuart

, p. 1237 - 1244 (2007/10/02)

2,5-Dimethylhex-4-en-3-one, E-6-methylhept-2-en-4-one, E-7-methyloct-4-en-3-one, ar-tumerone, and E-7-oxo-oct-5-enoic acid were synthesized regiospecifically via α-phenylthio ketones from bisphenylthio carbanions and aldehydes.

REGIOSPECIFIC SYNTHESIS OF ENONES VIA α-(PHENYLTHIO)-KETONES: 2,5-DIMETHYL-4-HEXEN-3-ONE, E-6-METHYL-2-HEPTEN-4-ONE, E-7-METHYL-4-OCTEN-3-ONE, AND AR-TURMERONE

Durman, John,Elliott, Jason,McElroy, Andrew B.,Warren, Stuart

, p. 3927 - 3930 (2007/10/02)

Enones not available from aldol condensations may be synthesised regiospecifically via α-(phenylthio)ketones: the title compounds have been made by this route.

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