127256-04-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 127256-04-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,2,5 and 6 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 127256-04:
(8*1)+(7*2)+(6*7)+(5*2)+(4*5)+(3*6)+(2*0)+(1*4)=116
116 % 10 = 6
So 127256-04-6 is a valid CAS Registry Number.
127256-04-6Relevant articles and documents
Selenium-Catalyzed Conversion of Methyl Ketones into α-Keto Acetals
Tiecco, M.,Testaferri, L.,Tingoli, M.,Bartoli, D.
, p. 4523 - 4528 (2007/10/02)
The reaction of methyl ketones with catalytic amounts of diphenyl diselenide and an excess of ammonium peroxydisulfate in methanol proceeds smoothly to afford α-keto acetals in good yield.In some cases reaction yields were increased by using stoichiometri
