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158556-10-6

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158556-10-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 158556-10-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,5,5 and 6 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 158556-10:
(8*1)+(7*5)+(6*8)+(5*5)+(4*5)+(3*6)+(2*1)+(1*0)=156
156 % 10 = 6
So 158556-10-6 is a valid CAS Registry Number.

158556-10-6Downstream Products

158556-10-6Relevant articles and documents

Fe/Cr- and Co/Cr-mediated catalytic asymmetric 2-haloallylations of aldehydes

Kurosu, Michio,Lin, Mei-Huey,Kishi, Yoshito

, p. 12248 - 12249 (2007/10/03)

The first example to couple aldehydes and 3-bromo-2-halopropenes in a catalytic asymmetric manner is reported. The coupling reaction is effected by the use of a chiral sulfonamide-Cr complex (prepared in situ from 1d, CrBr3, Fe(III) or from Co(II), Et3N, and Mn), TMSCl, and 2,6-lutidine. The method reported here is operationally simple and scalable, furnishing 3-halohomoallylic alcohols with a synthetically useful level of enantiomeric excess. Copyright

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