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884340-61-8

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884340-61-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 884340-61-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,8,4,3,4 and 0 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 884340-61:
(8*8)+(7*8)+(6*4)+(5*3)+(4*4)+(3*0)+(2*6)+(1*1)=188
188 % 10 = 8
So 884340-61-8 is a valid CAS Registry Number.

884340-61-8Relevant articles and documents

RS 1-{4-[2-(allyloxy)-ethyl]phenoxy}-3-isopropylamino propan-2-ol, process for preparation thereof and process for preparation of RS betaxolol

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Page/Page column 5, (2010/11/08)

The present invention relates to RS 1-{4-[2-(allyloxy)-ethyl]phenoxy}-3-isopropylamino propan-2-ol of the formula (1), process for preparation thereof by selective allylation of p-hydroxy phenyl ethanol and use thereof in a preparation of RS betaxolol of formula (2)

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