86657-78-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 86657-78-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,6,6,5 and 7 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 86657-78:
(7*8)+(6*6)+(5*6)+(4*5)+(3*7)+(2*7)+(1*8)=185
185 % 10 = 5
So 86657-78-5 is a valid CAS Registry Number.
86657-78-5Relevant articles and documents
Enaminones Derived from Pummerer's Ketone
Koehl, Manfred,Geita, Eva,Fleischhacker, Wilhelm
, p. 544 - 552 (2007/10/02)
Pummerer's ketone (1) and its 1,2-dihydro derivative 2 react with dimethylformamide dimethylacetal to yield the enaminones 5a and 6a.Amine exchange reactions lead to the compounds 5b-n (6b-n) and 7a-l (8a-l), which show interesting reactivities and stereo