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91391-90-1

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91391-90-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91391-90-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,3,9 and 1 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 91391-90:
(7*9)+(6*1)+(5*3)+(4*9)+(3*1)+(2*9)+(1*0)=141
141 % 10 = 1
So 91391-90-1 is a valid CAS Registry Number.

91391-90-1Downstream Products

91391-90-1Relevant articles and documents

Direct cyanation of picolinamides using K4[Fe(CN)6] as the cyanide source

Guan, Dinghui,Han, Lu,Wang, Lulu,Song, He,Chu, Wenyi,Sun, Zhizhong

, p. 743 - 745 (2015/06/22)

The efficient, simple, and environment-friendly route of direct cyanation of picolinamides has been developed with nontoxic K4[Fe(CN)6] as the cyanide source through Pdcatalyzed C-H bond activation. A series of N-(naphthalene-1- yl)picolinamide derivatives were successfully transformed to the corresponding cyanation products. The cyanation mechanism has also been speculated.

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