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98704-78-0

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98704-78-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98704-78-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,7,0 and 4 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 98704-78:
(7*9)+(6*8)+(5*7)+(4*0)+(3*4)+(2*7)+(1*8)=180
180 % 10 = 0
So 98704-78-0 is a valid CAS Registry Number.

98704-78-0Relevant articles and documents

Nicotinic Acid Lariat Ethers: Syntheses, Complexation, and Reduction

Newkome, George R.,Marston, Charles R.

, p. 4238 - 4245 (2007/10/02)

Combination of 2-(hydroxymethyl)-5-oxazolinylpyridine 16a with lariat ethers 21 and 23 generated chiral 6-methylnicotinic oxazoline lariat ethers 22 and 24, respectively.Chiral lariat ether 24b by stereoselective metal-directed addition of methylmagnesium bromide was converted to the corresponding enantiomerically enriched N-magnesio-1,4-dihydropyridine 26.Lariat 26 and the nonlariat analogue 31 both reduced α,α,α-trifluoroacetophenone in a NADH model-like reduction to give the S alcohol 32 in low enantiomeric excess.

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