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89812-72-6

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89812-72-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89812-72-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,8,1 and 2 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 89812-72:
(7*8)+(6*9)+(5*8)+(4*1)+(3*2)+(2*7)+(1*2)=176
176 % 10 = 6
So 89812-72-6 is a valid CAS Registry Number.

89812-72-6Downstream Products

89812-72-6Relevant articles and documents

An expedient route to aromatic pyrrolo[2,1-c][1,4]benzodiazepines and a study of their reactivity

Fabis, Frédéric,Sopkova-de Oliveira Santos, Jana,Fouchet-Jolivet, Sandrine,Rault, Sylvain

, p. 5183 - 5185 (2007/10/03)

2-Hydroxypyrrolo[2,1-c][1,4]benzodiazepines were aromatised in refluxing thionyl chloride into 11-chloropyrrolo[2,1-c][1,4]benzodiazepines in high yield. This aromatic system is doubly reactive towards nucleophiles leading to rearranged products such as i

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