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127876-61-3

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127876-61-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 127876-61-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,8,7 and 6 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 127876-61:
(8*1)+(7*2)+(6*7)+(5*8)+(4*7)+(3*6)+(2*6)+(1*1)=163
163 % 10 = 3
So 127876-61-3 is a valid CAS Registry Number.

127876-61-3Downstream Products

127876-61-3Relevant articles and documents

The endocyclic restriction test: The geometries of nucleophilic substitutions at sulfur(VI) and sulfur(II)

Jarboe, Stephen G.,Terrazas, Michael S.,Beak, Peter

supporting information; experimental part, p. 9627 - 9632 (2009/04/07)

(Chemical Equation Presented) The trajectories for nucleophilic substitutions at sulfur(VI) and sulfur(II) have been investigated by the endocyclic restriction test. On the basis of double-labeling experiments, the sulfur(VI) transfer in the conversion of 1 to 2 is found to be intramolecular, while the sulfur(VI) transfer in the conversion of 3 to 4 and the sulfur(II) transfer in the conversion of 5 to 6 are found to be intermolecular. These results are taken to be consistent with transition structures for these sulfur transfer reactions which require a large angle between the entering and leaving group, a geometry analogous to apical group positions in trigonal bipyramidal transition states.

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