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128930-99-4

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128930-99-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128930-99-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,9,3 and 0 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 128930-99:
(8*1)+(7*2)+(6*8)+(5*9)+(4*3)+(3*0)+(2*9)+(1*9)=154
154 % 10 = 4
So 128930-99-4 is a valid CAS Registry Number.

128930-99-4Upstream product

128930-99-4Downstream Products

128930-99-4Relevant academic research and scientific papers

KONJUGIERTE ADDITION VON ALKYLDERIVATEN DER SPAETEN UEBERGANGSMETALLE Ag, Pd, Rh, Ru, Co UND Fe AN 2-CYCLOHEXENON

Kauffmann, Thomas,Huelsduenker, Achim,Menges, Detlef,Nienaber, Hubert,Rethmeier, Lutz,et al.

, p. 1553 - 1556 (2007/10/02)

In situ prepared alkyl derivatives of the 4d metals Ag, Rh (Alk = Me, n-Bu), Pd, Ru (Alk = Me) alkylate 2-cyclohexenone (1) exclusively or preferently in β-position to the keto group.The same was observed by applying Me2Fe, Me3FeLi or the hetero-ate complexes Me2(t-BuO)2FeLi2 and Me2(t-BuO)2CoLi2, whereas Me4FeLi2 methylates 1 at the keto group.

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