75839-83-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75839-83-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,8,3 and 9 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 75839-83:
(7*7)+(6*5)+(5*8)+(4*3)+(3*9)+(2*8)+(1*3)=177
177 % 10 = 7
So 75839-83-7 is a valid CAS Registry Number.
75839-83-7Relevant academic research and scientific papers
The conformational free energy difference.for the trideuteromethyl substituent in cyclohexane
Booth, Harold,Everett, Jeremy Ramsey
, p. 2714 - 2719 (2007/10/02)
Studies at 169 K to 194 K of the 13C nmr spectrum of cis-1-ethyl--4-methylcyclohexane show that the conformational enthalpy difference -ΔH0 is 1.82 +/- 0.07 kcal mol-1 and the conformational entropy difference ΔS