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344443-03-4

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344443-03-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 344443-03-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,4,4,4 and 3 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 344443-03:
(8*3)+(7*4)+(6*4)+(5*4)+(4*4)+(3*3)+(2*0)+(1*3)=124
124 % 10 = 4
So 344443-03-4 is a valid CAS Registry Number.

344443-03-4Downstream Products

344443-03-4Relevant articles and documents

Stereospecific Rearrangement of 2,2-Disubstituted Vinylsilane Epoxides to the Silyl Enol Ethers of 2,2-Disubstituted Aldehydes

Fleming, Ian,Newton, Trevor W.

, p. 119 - 124 (2007/10/02)

The Z- and E-2-ethyl-2-methylvinylsilane epoxides (5a) and (5b) rearrange stereospecifically in the presence of boron trifluoride-diethyl ether to the Z- and E-silyl enol ethers, (6a) and (6b), respectively, of 2-methylbutanal.These silyl enol ethers reac

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