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247912-53-4

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247912-53-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 247912-53-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,4,7,9,1 and 2 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 247912-53:
(8*2)+(7*4)+(6*7)+(5*9)+(4*1)+(3*2)+(2*5)+(1*3)=154
154 % 10 = 4
So 247912-53-4 is a valid CAS Registry Number.

247912-53-4Relevant articles and documents

Preparation of 3-trifluoromethyl-2-cycloalkenones by the oxidative rearrangement of trifluoromethylated tertiary allylic alcohols with pyridinium chlorochromate

Prakash, G.K. Surya,Tongco, Emily C.,Mathew, Thomas,Vankar, Yashwant D.,Olah, George A.

, p. 199 - 202 (2000)

Trifluoromethylated tertiary allylic alcohols, obtained from trifluoromethylation of several conjugated enones, undergo oxidative rearrangements to 3-trifluoromethyl-2-cycloalkenones with pyridinium chlorochromate in the presence of a small amount of conc

One Flask Preparation of Trifluoromethylated Amides from Ketones and Trifluoromethyltrimethylsilane via Ritter Reaction with Nitriles

Tongco, Emily C.,Prakash, G.K. Surya,Olah, George A.

, p. 1193 - 1195 (2007/10/03)

Trifluoromethylated amides are prepared in a simple one-flask reaction via the Ritter reaction of the corresponding trifluoromethylated silyl ethers, which themselves are readily obtained from the starting ketones and trifluoromethyltrimethylsilane. The y

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