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77143-96-5

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77143-96-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77143-96-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,1,4 and 3 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 77143-96:
(7*7)+(6*7)+(5*1)+(4*4)+(3*3)+(2*9)+(1*6)=145
145 % 10 = 5
So 77143-96-5 is a valid CAS Registry Number.

77143-96-5Relevant articles and documents

N-Quaternary Heterocyclics: Part IX- Synthesis and Reactions of 8,9,10,11-Tetrahydrobenzothiazoloquinazolin-7-ium Perchlorate and Related Systems

Singh, Harjit,Gandhi, C. S.,Lal, K. B.,Bal, M. S.

, p. 844 - 847 (2007/10/02)

The title compound 8,9,10,11-tetrahydrobenzothiazoloquinazolin-7-ium perchlorate (I) on reduction with sodium borohydride, sodium cyanoborohydride or Hantzsch reagent in non-oxygenic solvents or aq. sodium hydroxide solution gives 2-(o-aminophenyl)

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