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904681-98-7

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904681-98-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 904681-98-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,4,6,8 and 1 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 904681-98:
(8*9)+(7*0)+(6*4)+(5*6)+(4*8)+(3*1)+(2*9)+(1*8)=187
187 % 10 = 7
So 904681-98-7 is a valid CAS Registry Number.

904681-98-7Relevant articles and documents

Asymmetric rhodium-catalyzed hydrogenation meets gold-catalyzed cyclization: Enantioselective synthesis of 8-hydroxytetrahydroisoquinolines

Hashmi, A. Stephen K.,Haufe, Patrick,Schmid, Christoph,Nass, Andreas Rivas,Frey, Wolfgang

, p. 5376 - 5382 (2008/02/13)

Different furyl-substituted (Z)-dehydroamino acid derivatives were hydrogenated with the rhodium/Mandyphos(OMe)-system to give enantiomeric excesses between 80 and 98%. The absolute configuration of the newly formed stereogenic center was determined by an

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