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937009-94-4

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937009-94-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 937009-94-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,7,0,0 and 9 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 937009-94:
(8*9)+(7*3)+(6*7)+(5*0)+(4*0)+(3*9)+(2*9)+(1*4)=184
184 % 10 = 4
So 937009-94-4 is a valid CAS Registry Number.

937009-94-4Downstream Products

937009-94-4Relevant articles and documents

INDUSTRIAL PROCESS OF FEXOFENADINE HYDROCHLORIDE WITH CONTROLLED SIDE PRODUCTS

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Page/Page column 4-5; 7; 11, (2008/06/13)

The present invention relates to a process for the preparation of Anhydrous Fexofenadine Hydrochloride with controlled level of side products. Another aspect of the present invention is purification of Fexofenadine base free of meta isomer of fexofenadine base and fexofenadinone.

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