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31969-98-9

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31969-98-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 31969-98-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,9,6 and 9 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 31969-98:
(7*3)+(6*1)+(5*9)+(4*6)+(3*9)+(2*9)+(1*8)=149
149 % 10 = 9
So 31969-98-9 is a valid CAS Registry Number.

31969-98-9Relevant academic research and scientific papers

Thermal Dimerization of Sulfinyl Compounds

Furukawa, Mitsuru,Okawara, Tadashi,Noguchi, Yoshihide,Nishikawa, Masumi,Tomimatsu, Masahide

, p. 976 - 978 (2007/10/02)

The dimers (2a-c) of active methylene compounds were readily synthesized by heating the corresponding α-sulfinyl compounds (1a-c) in carbon tetrachloride or tetrahydrofuran in 14-90percent yields. Keywords---dimer of active methylene compound; sulfinylati

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