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6258-41-9

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6258-41-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6258-41-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,2,5 and 8 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 6258-41:
(6*6)+(5*2)+(4*5)+(3*8)+(2*4)+(1*1)=99
99 % 10 = 9
So 6258-41-9 is a valid CAS Registry Number.

6258-41-9Relevant articles and documents

New nitrogen derivatives of podophyllotoxin and a novel access to dehydroanhydropicropodophyllin

De Lima,Raslan,De Oliveira

, p. 2675 - 2683 (1994)

The new compounds podophyllotoxone oxime (3) and epipodophyllotoxin azide (5) were prepared. The known dehydroanhydropicropodophyllin (6) was unexpectedly obtained from podophyllotoxin (1) by treatment with TMSCl/NaI/MeCN.

Synthesis of biaryls via palladium-catalyzed [2+2+2] cocyclization of arynes and diynes: Application to the synthesis of arylnaphthalene lignans

Sato, Yoshihiro,Tamura, Takayuki,Kinbara, Atsushi,Mori, Miwako

, p. 647 - 661 (2008/02/09)

A novel method for construction of biaryls via palladium(0)-catalyzed [2 + 2 + 2] cocyclization of diynes and arynes was developed. By this [2+2+2] cocyclization, various arylnaphthalene derivatives, including a sterically hindered 2,2′-disubstituted-1,1′

In vivo immunosuppressive activity of some cyclolignans

Gordaliza, Marina,Castro, M. Angeles,Miguel del Corral, Jose M.,Lopez-Vazquez, M. Luisa,San Feliciano, Arturo,Faircloth, Glynn T.

, p. 2781 - 2786 (2007/10/03)

Several podophyllotoxin-related cyclolignans, either lacking the lactone ring or the methylenedioxy grouping, have been prepared and evaluated for their immunosuppressive (IMS) activity in the mouse allogeneic MLR in vitro test and in the in vivo techniqu

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