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741283-56-7

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741283-56-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 741283-56-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,4,1,2,8 and 3 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 741283-56:
(8*7)+(7*4)+(6*1)+(5*2)+(4*8)+(3*3)+(2*5)+(1*6)=157
157 % 10 = 7
So 741283-56-7 is a valid CAS Registry Number.

741283-56-7Relevant articles and documents

The synthesis of multiply 13C-labelled plant and mammalian lignans as internal standards for LC-MS and GC-MS analysis

Fryatt, Tara,Botting, Nigel P.

, p. 951 - 969 (2007/10/03)

The syntheses of multiply 13C-labelled derivatives of the two mammalian lignans, enterolactone and enterodiol, and two of their plant lignan precursors, secoisolariciresinol and matairesinol, are described. Three 13C atoms were incorporated into each lignan using potassium [ 13C]cyanide as the source for all of the 13C atoms. The compounds were prepared for use as internal standards in the LC-MS and GC-MS analysis of lignans. Copyright

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