Cas 221467-90-9,(2R,3R)-1,4-dichloro-2,3-dihydroxybutane

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Check Digit Verification of cas no

The CAS Registry Mumber 221467-90-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,1,4,6 and 7 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 221467-90:
(8*2)+(7*2)+(6*1)+(5*4)+(4*6)+(3*7)+(2*9)+(1*0)=119
119 % 10 = 9
So 221467-90-9 is a valid CAS Registry Number.

221467-90-9Upstream product

110-57-6 trans-1,4-dichlorobut-2-ene

221467-90-9Downstream Products

221467-90-9Relevant articles and documents

Catalytic asymmetric dihydroxylation of olefins with new catalysts: The first example of heterogenization of OsO42- by ion-exchange technique [4]

Choudary,Chowdari,Kantam,Raghavan

, p. 9220 - 9221 (2001)

Eine neue Ligandenklasse fuer die asymmetrische Dihydroxylierung von Olefinen

Becker, Heinrich,Sharpless, K. Barry

, p. 447 - 449 (2007/10/03)

Keywords: Asymmetrische Dihydroxylierungen; Chirale Liganden; Chinchonaalkaloide; Katalyse; Osmiumverbindungen

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221467-90-9