Cas 138614-77-4,1-(2-nitrophenyl)-2-butanol

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Check Digit Verification of cas no

The CAS Registry Mumber 138614-77-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,6,1 and 4 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 138614-77:
(8*1)+(7*3)+(6*8)+(5*6)+(4*1)+(3*4)+(2*7)+(1*7)=144
144 % 10 = 4
So 138614-77-4 is a valid CAS Registry Number.

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138614-77-4Relevant academic research and scientific papers

CYCLIC IONS FROM 2-NITROPHENYLBUTANOLS AND 1-(2-NITROPHENYL)-1-BUTENE AND THEIR ISOMERIC TRANSFORMATIONS IN FLUOROSULFONIC ACID

Trofimova, E. V.,Fedotov, A. N.,Mochalov, S. S.,Shabarov, Yu. S.

, p. 1038 - 1042 (2007/10/02)

Under the influence of fluorosulfonic acid at 20 deg C at the kinetically controlled stage of the reaction 1-(2-nitrophenyl)-2-butanol, 1-(2-nitrophenyl)-3-butanol, and 1-(2-nitrophenyl)-2-butene form 3,4-dihydro-N-oxo-2,1-benzoxazinum ions.Under analogou

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