136744-19-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 136744-19-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,7,4 and 4 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 136744-19:
(8*1)+(7*3)+(6*6)+(5*7)+(4*4)+(3*4)+(2*1)+(1*9)=139
139 % 10 = 9
So 136744-19-9 is a valid CAS Registry Number.
136744-19-9Relevant academic research and scientific papers
REACTION OF METHYL 3-PHENYL-3-CHLORO-2-OXOPROPIONATE WITH THIOSEMICARBAZONES
Mamedov, V. A.,Valeeva, V. N.,Antokhina, L. A.,Nuretdinov, I. A.
, p. 1262 - 1266 (2007/10/02)
The reaction of methyl 3-phenyl-3-chloro-2-oxopropionate with thiosemicarbazones proceeds via the intermediate formation of methyl -3-phenyl-2-oxopropionate hydrochlorides, which then cyclize to novel 4-methoxycarbo
