39857-92-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 39857-92-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,8,5 and 7 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 39857-92:
(7*3)+(6*9)+(5*8)+(4*5)+(3*7)+(2*9)+(1*2)=176
176 % 10 = 6
So 39857-92-6 is a valid CAS Registry Number.
39857-92-6Relevant articles and documents
Aminoethynylation,3. - Note on the Synthesis of ketones
Feustel, Michael,Himbert, Gerhard
, p. 196 - 199 (2007/10/02)
Under controlled conditions N,N-dialkyl(trimethylstannyl)ethynyl>amines 1 react with acid chlorides to yield the title compounds 2.