163253-34-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 163253-34-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,3,2,5 and 3 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 163253-34:
(8*1)+(7*6)+(6*3)+(5*2)+(4*5)+(3*3)+(2*3)+(1*4)=117
117 % 10 = 7
So 163253-34-7 is a valid CAS Registry Number.
163253-34-7Relevant articles and documents
The Reaction of Some α-Oxygenated Cyclic Ketones with Sulfur Ylides
Marschner, Christoph,Baumgartner, Judith,Griengl, Herfried
, p. 999 - 1004 (2007/10/02)
Cyclopentanones 1, 4 and 7, as well as uloses 11, 14, 17 and 20, all possessing an oxygen atom in α-position with respect to the carbonyl group, have been allowed to react with dimethylsulfonium and dimethyloxosulfonium methylides.It has been found that t
