137340-81-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137340-81-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,3,4 and 0 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 137340-81:
(8*1)+(7*3)+(6*7)+(5*3)+(4*4)+(3*0)+(2*8)+(1*1)=119
119 % 10 = 9
So 137340-81-9 is a valid CAS Registry Number.
137340-81-9Relevant academic research and scientific papers
The reaction of amidoximes with chloroacetyl chloride
Agirbas,Sumengen,Durust,Durust
, p. 209 - 217 (2007/10/02)
1,2,4-Oxadiazole and 1,2,4-oxadiazine derivatives were obtained from the reaction of amidoximes with chloroacetyl chloride. The treatment of 3,4-disubstituted-Δ2-dihydro-1,2,4-oxadiazine-5-ones with P2S5 gave corresponding
