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928758-07-0

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928758-07-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 928758-07-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,2,8,7,5 and 8 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 928758-07:
(8*9)+(7*2)+(6*8)+(5*7)+(4*5)+(3*8)+(2*0)+(1*7)=220
220 % 10 = 0
So 928758-07-0 is a valid CAS Registry Number.

928758-07-0Downstream Products

928758-07-0Relevant articles and documents

Methylation of C(sp3)-H/C(sp2)-H bonds with methanol catalyzed by cobalt system

Liu, Zhenghui,Yang, Zhenzhen,Yu, Xiaoxiao,Zhang, Hongye,Yu, Bo,Zhao, Yanfei,Liu, Zhimin

supporting information, p. 5228 - 5231 (2017/11/06)

A highly efficient Co-based catalytic system, composed of a commercially available Co salt, a tetradentate phosphine ligand P-(CH2CH2PPh2)3(PP3), and a base (denoted as [Co]/PP3/base), is developed for the methylation of C(sp3)-H and C(sp2)-H bonds using methanol as a methylating reagent. The Co(BF4)2.6H2O/PP3/K2CO3 catalytic system showed high catalytic activity for the methylation of C-H bonds in aryl alkyl ketones, aryl acetonitriles, and indoles, with wide substrate scope and good functional group tolerance, and methylsubstituted products were obtained in good to excellent yields at 100 °C. This cheap, readily available, and highly efficient Co-based catalytic system may have promising applications in methylation reaction using methanol.

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