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1620336-90-4

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1620336-90-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1620336-90-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,0,3,3 and 6 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1620336-90:
(9*1)+(8*6)+(7*2)+(6*0)+(5*3)+(4*3)+(3*6)+(2*9)+(1*0)=134
134 % 10 = 4
So 1620336-90-4 is a valid CAS Registry Number.

1620336-90-4Relevant articles and documents

Efficient synthesis of polysubstituted olefins using stable palladium nanocatalyst: Applications in synthesis of tamoxifen and isocombretastatin A4

Ganapathy, Dhandapani,Sekar, Govindasamy

supporting information, p. 3856 - 3859 (2014/08/18)

A phosphine-free stable palladium nanocatalyst was used for an efficient synthesis of polysubstituted olefins from N-tosylhydrazones and aryl iodides. This methodology was successfully utilized in the synthesis of biologically important tamoxifen and isocombretastatin A4. The nanocatalyst was easily recovered and reused without any apparent loss in size and catalytic activity.

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