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117694-37-8

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117694-37-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 117694-37-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,6,9 and 4 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 117694-37:
(8*1)+(7*1)+(6*7)+(5*6)+(4*9)+(3*4)+(2*3)+(1*7)=148
148 % 10 = 8
So 117694-37-8 is a valid CAS Registry Number.

117694-37-8Upstream product

117694-37-8Downstream Products

117694-37-8Relevant articles and documents

EPR study of the long-range effect of a β-carbon chiral center on the magnetic equivalence of β-methylene protons

Smith, Peter,Donovan, William Harley

, p. 2304 - 2308 (2007/10/02)

Using aqueous TiCl3-based continuous-flow, radical-generating methods at 25 deg C we have carried out a comprehensive EPR study of hydroxyl- and aminyl-radical addition to eight alkene substrates that yielded radicals of general formula XCH2-CY-C*HR1R2, where C* is a chiral center, to investigate the magnetic inequivalence of β-CH2 protons arising from a nonadjacent β-C chiral center.We attribute the observed nonequivalence to the long-range influence of the chiral center in these radicals, and note that our results are consistent with the reasonable expectation that the presence of bulky groups in the radicals is likely to favor particular conformations, leading to more easily observed inequivalence of the β-CH2 proton splittings.

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