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2-Thiophenecarboxaldehyde, 4-[4-(trifluoromethoxy)phenyl]- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

666721-05-7

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666721-05-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 666721-05-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,6,7,2 and 1 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 666721-05:
(8*6)+(7*6)+(6*6)+(5*7)+(4*2)+(3*1)+(2*0)+(1*5)=177
177 % 10 = 7
So 666721-05-7 is a valid CAS Registry Number.

666721-05-7Relevant articles and documents

THIOPHENE AMINO ACID DERIVATIVES, PROCESS FOR PREPARING THEM AND PHARMACEUTICAL COMPOSITIONS CONTAINING THEM

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Page/Page column 24-25, (2008/06/13)

Compounds of formula (I), in which: R1 and R2, which may be identical or different, independently of each other, each represent a group selected from: hydrogen, halogen, cyano, nitro, halo(C1-C6)alkyl, halo(Csu

5-FLUORO-THIOPEN-COMPOUNDS,THE PROCESS FOR THEIR PREPARATION,THE PHARMACEUTICAL COMPOSITIONS CONTAINING THEM AND THEIR USE AS METALLOPOTENASES INHIBITORS

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Page 17, (2008/06/13)

Compounds of formula (I) in which R1 represent a group selected from halo(C1-C6)alkoxy, (C1-C6)alkyl, (C1-C6)alkoxy, (C1-C6)alkylthio, phenyl, cyclohexyl an

Novel thiophene derivatives, their process of preparation and the pharmaceutical compositions which comprise them

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Page/Page column 16, (2010/11/30)

A compound of formula (I) selected from: wherein: X represents oxygen or sulphur, Y represents oxygen, —NH— or —N(C1-C6)alkyl-, Ra represents hydrogen, halogen, (C1-C3)alkyl, hydroxyl or (C1-C3)alkoxy, Rb represents hydrogen, halogen or (C1-C3)alkyl, A represents phenyl, pyridyl, (C5-C6)cycloalkyl or (C5-C6)cycloalkenyl, R1 and R2 each represent a group selected from hydrogen, halogen, cyano, nitro, haloalkyl, haloalkoxy, alkyl, alkenyl, alkynyl, —OR4, —NR4R5, —S(O)nR4, —C(O)R4, —CO2R4, —O—C(O)R4, —C(O)NR4R5, —NR5—C(O)R4, —NR5—SO2R4, -T-CN, -T-OR4, -T-OCF3, -T- NR4R5, -T-S(O)nR4, -T-C(O)R4, -T-CO2R4, -T-O—C(O)R4, -T-C(O)NR4R5, -T-NR4—C(O)R5, -T-NR4—SO2R5, —R6 and -T-R6 in which n, T, R4, R5 and R6 are as defined in the description, R3 represents an —R7 or —U—R11 group in which R7 represents hydrogen, alkyl, aryl, cycloalkyl or heterocycle, U represents a linear or branched alkylene chain and R11 is defined in the description, their optical isomers or their addition salts with a pharmaceutically acceptable acid or base, and their use as inhibitor of metalloproteinase and more specifically of metalloproteinase-12.

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