689-16-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 689-16-7 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,8 and 9 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 689-16:
(5*6)+(4*8)+(3*9)+(2*1)+(1*6)=97
97 % 10 = 7
So 689-16-7 is a valid CAS Registry Number.
689-16-7Relevant academic research and scientific papers
Dimethyl and Diethyl 2-Oxo-1,3-propanedisulfonates as Practical Alkylating Reagents
Ogura, Fumio,Yamaguchi, Hachiro,Otsubo, Tetsuo,Nakano, Takao,Saito, Takahiro
, p. 1257 - 1258 (2007/10/02)
The title sulfonates, easily accessible from acetone, were found to be effective and practical alkylating agents.
