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68191-22-0

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68191-22-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 68191-22-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,1,9 and 1 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 68191-22:
(7*6)+(6*8)+(5*1)+(4*9)+(3*1)+(2*2)+(1*2)=140
140 % 10 = 0
So 68191-22-0 is a valid CAS Registry Number.

68191-22-0Relevant articles and documents

Metal-free in situ sp3, sp2, and sp C-H functionalization and oxidative cross coupling with benzamidines hydrochloride: A promising approach for the synthesis of α-ketoimides

Kalmode, Hanuman P.,Vadagaonkar, Kamlesh S.,Chaskar, Atul C.

, p. 60316 - 60326 (2015/02/19)

A new metal-free tandem protocol for the synthesis of α-ketoimides via sp3, sp2, and sp C-H functionalization followed by oxidative cross coupling with benzamidines hydrochloride using catalytic iodine with TBHP in DMSO has been developed. A wide range of functional group tolerance, an inexpensive catalyst, operational simplicity and good to excellent yields of the products are the striking features of this method.

SYNTHESIS OF NEW ENOL PHOSPHATES AND PHOSPHONATES CONTAINING 2-IODOVINYL GROUPS

Malinowski, Romuald,Legocki, Jan,Mikolajczyk, Marian

, p. 1821 - 1826 (2007/10/02)

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