31554-57-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 31554-57-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,5,5 and 4 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 31554-57:
(7*3)+(6*1)+(5*5)+(4*5)+(3*4)+(2*5)+(1*7)=101
101 % 10 = 1
So 31554-57-1 is a valid CAS Registry Number.
31554-57-1Relevant articles and documents
A convenient preparation of 3,5-diarylisoxazoles
Wei,Fang,Hu,Hu
, p. 1205 - 1206 (1992)
3,5-Diarylisoxazoles 2a-i were prepared in moderate to high yields 51-94%) by oxidation of chalcone oximes with a new metal complex oxidant, tetrakis(pyridine)cobalt(II) dichromate (TPCD).