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189329-47-3

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189329-47-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 189329-47-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,3,2 and 9 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 189329-47:
(8*1)+(7*8)+(6*9)+(5*3)+(4*2)+(3*9)+(2*4)+(1*7)=183
183 % 10 = 3
So 189329-47-3 is a valid CAS Registry Number.

189329-47-3Relevant articles and documents

Regio- and stereoselective addition of methane- and bromomethanesulfonyl bromides to 1-Phenylthiotricyclo[4.1.0.02,7]heptane

Vasin,Kostryukov,Neverov,Razin

scheme or table, p. 624 - 627 (2010/10/04)

1-Phenylthiotricyclo[4.1.0.02,7]heptane reacted with MeSO 2Br and BrCH2SO2Br directly at mixing at 20°C in CH2Cl2 along a ionic (electrophilic with respect to bromine) mechanism affording a product of an anti-stereoselective addition to the central bicyclobutane C1-C7 bond of the norpinane structure. The reaction product contains the exo-oriented sulfonyl group in the geminal position to the SPh substituent. The structure of the adduct with MeSO2Br in a single crystal was determined by XRD analysis. Pleiades Publishing, Ltd., 2010.

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