90550-20-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90550-20-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,5,5 and 0 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 90550-20:
(7*9)+(6*0)+(5*5)+(4*5)+(3*0)+(2*2)+(1*0)=112
112 % 10 = 2
So 90550-20-2 is a valid CAS Registry Number.
90550-20-2Relevant articles and documents
DIASTEREOSELECTIVE REDUCTION OF PERFLUOROALKYLATED α,β-UNSATURATED KETONES WITH BAKER'S YEAST
Kitazume, Tomoya,Ishikawa, Nobuo
, p. 587 - 590 (2007/10/02)
The differentiation of a fluorinated group in the molecule with active fermenting yeast and the double asymmetric induction in some perfluoroalkylated α,β-unsaturated ketones are described.
