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1052688-85-3

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1052688-85-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1052688-85-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,5,2,6,8 and 8 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1052688-85:
(9*1)+(8*0)+(7*5)+(6*2)+(5*6)+(4*8)+(3*8)+(2*8)+(1*5)=163
163 % 10 = 3
So 1052688-85-3 is a valid CAS Registry Number.

1052688-85-3Relevant articles and documents

PROCESS FOR PREPARING ISOMERS OF CARMOTEROL

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, (2008/12/07)

A process for preparing a compound of formula (III) comprising condensing an oxiranyl compound of formula (I) with an amine of formula (II) or a salt thereof wherein: R1 is a group selected from alkyl, aryl, allyl, alkoxy, cycloalkyl, heterocyclic, alkenyl, benzocycloalkyl, aralkyl, haloarylalkyl, heteroaralkyl, haloalkyl, alkoxyaralkyl, substituted silyl and benzyl; and R2 is hydrogen, optionally substituted silyl or optionally substituted benzyl. Formula (I), (II) and (III): There is also described a process for preparing (R,R)-carmoterol from compound (III).

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