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1246445-24-8

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1246445-24-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1246445-24-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,6,4,4 and 5 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1246445-24:
(9*1)+(8*2)+(7*4)+(6*6)+(5*4)+(4*4)+(3*5)+(2*2)+(1*4)=148
148 % 10 = 8
So 1246445-24-8 is a valid CAS Registry Number.

1246445-24-8Downstream Products

1246445-24-8Relevant articles and documents

PROCESS FOR THE PREPARATION OF ERLOTINIB OR ITS PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF

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Page/Page column 19, (2010/11/03)

The present invention relates to a process for preparation of erlotinib of Formula I or its pharmaceutically acceptable salt thereof. The present invention also relates to process for the preparation of erlotinib trifluoroacetate. The present invention also relates to a noveICrystalline form of erlotinib trifluoroacetate designated as Form E and process for its preparation. The present invention further relates to process for the preparation of erlotinib hydrochloride from erlotinib trifluoroacetate.

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