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321709-95-9

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321709-95-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 321709-95-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,1,7,0 and 9 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 321709-95:
(8*3)+(7*2)+(6*1)+(5*7)+(4*0)+(3*9)+(2*9)+(1*5)=129
129 % 10 = 9
So 321709-95-9 is a valid CAS Registry Number.

321709-95-9Downstream Products

321709-95-9Relevant articles and documents

A solid-state oxidation of 1,1,3,3-tetramethylguanidinium 4-methylbenzenesulfinate to 1,1,3,3-tetramethylguanidinium 4- methylbenzenesulfonate

Kaupang, Asmund,Goerbitz, Carl Henrik,Bonge-Hansen, Tore

, p. 778 - 780 (2013)

The organic acid-base complex 1,1,3,3-tetramethylguanidinium 4-methylbenzenesulfonate, C5H14N3 +·C7H7O3S-, was obtained from the corresponding 1,1,3,3-tetramethylguanidinium 4-methylbenzenesulfinate complex, C5H14N3 +·C7H7O2S-, by solid-state oxidation in air. Comparison of the two crystal structures reveals similar packing arrangements in the monoclinic space group P21/c, with centrosymmetric 2:2 tetramers being connected by four strong N - H...O=S hydrogen bonds between the imine N atoms of two 1,1,3,3-tetramethylguanidinium bases and the O atoms of two acid molecules.

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