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90121-86-1

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90121-86-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90121-86-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,1,2 and 1 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 90121-86:
(7*9)+(6*0)+(5*1)+(4*2)+(3*1)+(2*8)+(1*6)=101
101 % 10 = 1
So 90121-86-1 is a valid CAS Registry Number.

90121-86-1Relevant 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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