139057-19-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139057-19-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,0,5 and 7 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 139057-19:
(8*1)+(7*3)+(6*9)+(5*0)+(4*5)+(3*7)+(2*1)+(1*9)=135
135 % 10 = 5
So 139057-19-5 is a valid CAS Registry Number.
139057-19-5Relevant articles and documents
Reaction of α-Oxo Ketene Dithioacetals with Glycine
Fukada, Naoaki,Yuzawa, Masato
, p. 3727 - 3728 (1991)
3-Carboxymethylamino-3-methylthio-1-phenyl-2-propen-1-ones were synthesized by the reaction of 3,3-bis(methylthio)-1-phenyl-2-propen-1-ones with glycine in the presence of sodium hydroxide.
