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54699-41-1

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54699-41-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 54699-41-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,6,9 and 9 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 54699-41:
(7*5)+(6*4)+(5*6)+(4*9)+(3*9)+(2*4)+(1*1)=161
161 % 10 = 1
So 54699-41-1 is a valid CAS Registry Number.

54699-41-1Downstream Products

54699-41-1Relevant articles and documents

Mercuric triflate-TMU catalyzed hydration of terminal alkyne to give methyl ketone under mild conditions

Nishizawa, Mugio,Skwarczynski, Mariusz,Imagawa, Hiroshi,Sugihara, Takumichi

, p. 12 - 13 (2002)

Herein developed mercuric triflate-TMU catalyzed hydration of terminal alkyne is a mild procedure to give methyl ketone in excellent yield with high chemoselectivity. By using 0.05 eq of Hg(OTf)2·(TMU)2 and 3 eq of water, hydration takes place at a reasonable rate in acetonitrile.

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