136603-49-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 136603-49-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,6,0 and 3 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 136603-49:
(8*1)+(7*3)+(6*6)+(5*6)+(4*0)+(3*3)+(2*4)+(1*9)=121
121 % 10 = 1
So 136603-49-1 is a valid CAS Registry Number.
136603-49-1Relevant articles and documents
TRIFLUOROMETHYL-p-TOLYLDIAZOMETHANE IN 1,3-DIPOLAR CYCLOADDITION REACTIONS
Linev, V. V.,Kolomiets, A. F.,Fokin, A. V.
, p. 1406 - 1409 (2007/10/02)
Trifluoromethyl-p-tolyldiazomethane (I) forms -cycloadducts with activated alkenes and alkynes.The products of these regiospecific reactions are substituted pyrazolines (II)-(VI) and pyrazoles (VIII)-(X).Reaction of (I) with fumarates, trifluoropyr
