128775-86-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128775-86-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,7,7 and 5 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 128775-86:
(8*1)+(7*2)+(6*8)+(5*7)+(4*7)+(3*5)+(2*8)+(1*6)=170
170 % 10 = 0
So 128775-86-0 is a valid CAS Registry Number.
128775-86-0Relevant articles and documents
Synthesis of 4-substituted methyl 3-(2,3-epoxy)propoxythiophene-2-carboxylates
Lissavetzky, Jaime,Manzanares, Ignacio
, p. 775 - 780 (2007/10/03)
The synthesis of 4-substituted methyl 3-hydroxythiophene-2-carboxylates is reported. The selective O-alkylation by two methods of these compounds gives the correspondent epoxy derivatives.
