200353-85-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 200353-85-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,0,3,5 and 3 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 200353-85:
(8*2)+(7*0)+(6*0)+(5*3)+(4*5)+(3*3)+(2*8)+(1*5)=81
81 % 10 = 1
So 200353-85-1 is a valid CAS Registry Number.
200353-85-1Relevant articles and documents
Synthesis of α-acetoxy and formyloxy ketones by thallium(III) promoted α-oxidation
Lee,Jin,Choi
, p. 956 - 957 (2007/10/03)
Treatment of ketones with thallium(III) triflate in amide solvents at 60°C for 30 min followed by addition of small amounts of H2O cleanly provided the corresponding α-acyloxy ketones.
