139488-53-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139488-53-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,4,8 and 8 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 139488-53:
(8*1)+(7*3)+(6*9)+(5*4)+(4*8)+(3*8)+(2*5)+(1*3)=172
172 % 10 = 2
So 139488-53-2 is a valid CAS Registry Number.
139488-53-2Relevant academic research and scientific papers
A NEW -SIGMATROPIC DIENOLATE REARRANGEMENT
Magedov, I. V.,Smushkevich, Yu. I.
, p. 1555 - 1557 (2007/10/02)
The -sigmatropic rearrangement of N,N'-dimethyl-N-(1-naphthylacetyl)-N'-(phenylacetyl)hydrazine was realized by the action of lithiohexamethyldisilazane in THF at 66 deg C.
