133469-85-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 133469-85-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,4,6 and 9 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 133469-85:
(8*1)+(7*3)+(6*3)+(5*4)+(4*6)+(3*9)+(2*8)+(1*5)=139
139 % 10 = 9
So 133469-85-9 is a valid CAS Registry Number.
133469-85-9Relevant articles and documents
Imidazoles and pyrrolo[2,3-d]isoxazoles from isoxazol-5(4H)-ones
Beccalli,Marchesini,Pilati
, p. 127 - 131 (2007/10/02)
Synthesis for imidazoles and pyrrolo[2,3-d]isoxazoles from 3,4-disubstituted 4-aminoisoxazol-5(4H)-ones, which are easily obtained from the corresponding isoxazol-5(4H)-ones, is reported.