136308-19-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 136308-19-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,3,0 and 8 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 136308-19:
(8*1)+(7*3)+(6*6)+(5*3)+(4*0)+(3*8)+(2*1)+(1*9)=115
115 % 10 = 5
So 136308-19-5 is a valid CAS Registry Number.
136308-19-5Relevant articles and documents
REACTIONS OF METHYL TRIFLUOROPYRUVATE WITH TERMINAL OLEFINS
Soloshonok, V. A.,Rozhenko, A. B.,Butovich, I. A.,Kukhar', V. P.
, p. 1771 - 1775 (2007/10/02)
Methyl trifluoropyruvate reacts stereospecifically with terminal olefins at 20 deg C, giving high yields of methyl 2-(trans-2-alkenyl)-3,3,3-trifluorolactates.In reaction with 2,3-dimethyl-and 2-methylbutadienes it gives Diels-Alder adducts.
