139719-07-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139719-07-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,7,1 and 9 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 139719-07:
(8*1)+(7*3)+(6*9)+(5*7)+(4*1)+(3*9)+(2*0)+(1*7)=156
156 % 10 = 6
So 139719-07-6 is a valid CAS Registry Number.
139719-07-6Relevant academic research and scientific papers
CHLORINATION OF N-ARYLSULFONYL-1,4-AMINONAPHTHOLS AND N-ARYLSULFONYL-1,4-NAPHTHOQUINONE 4-IMINES
Avdeenko, A. P.,Velichko, N. V.,Romanenko, E. A.,Pirozhenko, V. V.
, p. 1535 - 1543 (2007/10/02)
The final products from the chlorination of N-arylsulfonyl-1,4-aminonaphthols and N-arylsulfonyl-1,4-naphthoquinone 4-imines are 4-arylsulfonylimino-1-oxo-2,2,3,3,-tetrachloro-1,2,3,4-tetrahydronaphthalenes.
