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442851-36-7

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442851-36-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 442851-36-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,2,8,5 and 1 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 442851-36:
(8*4)+(7*4)+(6*2)+(5*8)+(4*5)+(3*1)+(2*3)+(1*6)=147
147 % 10 = 7
So 442851-36-7 is a valid CAS Registry Number.

442851-36-7Downstream Products

442851-36-7Relevant articles and documents

NOVEL PROCESS FOR THE SYNTHESIS OF 5-(4-FLUOROPHENYL)-1-[2-((2R,4R)-4-HYDROXY-6-OXO-TETRAHYDRO-PYRAN-2-YL)-ETHYL]-2-ISOPROPYL-4-PHENYL-1H-PYRROLE-3-CARBOXYLIC ACID PHENYLAMIDE

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, (2008/06/13)

An improved process for the preparation of 5-(4-fluorophenyl)-1-[2-((2R,4R)-4-hydroxy-6-oxo-tetrahydro-pyran-2-yl)-ethyl]-2-isopropyl-4-phenyl-1H-pyrrole-3-carboxylic acid phenylamide by a novel synthesis is described where methyl cyanoacetate is converted in eight operations or fewer to the desired product, as well as other valuable intermediates used in the process.

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