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1204872-73-0

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1204872-73-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1204872-73-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,4,8,7 and 2 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1204872-73:
(9*1)+(8*2)+(7*0)+(6*4)+(5*8)+(4*7)+(3*2)+(2*7)+(1*3)=140
140 % 10 = 0
So 1204872-73-0 is a valid CAS Registry Number.

1204872-73-0Relevant articles and documents

Synthesis of 9-amino-5,6,7,8-tetrahydrothieno[3,2-b]quinoline and 9-amino-5,6,7,8-tetrahydrothieno[3,2-b]quinolin-8-ol derivatives

Song, Yang-Heon,Jo, Boung Sun

experimental part, p. 1132 - 1136 (2010/03/03)

(Chemical Equation Presented) The synthesis of 9-amino-5,6,7,8- tetrahydrothieno[3,2-b]quinoline (3) and 9-amino-5,6,7,8-tetrahydrothieno[ 3,2-b]quinolin-5-ol derivatives (4a-g) in good yield by three-step procedures starting from 3-aminothiophene-2-carbonitrile and 5-substituted cyclohexane-1,3-dione is described.

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