1151782-31-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1151782-31-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,5,1,7,8 and 2 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1151782-31:
(9*1)+(8*1)+(7*5)+(6*1)+(5*7)+(4*8)+(3*2)+(2*3)+(1*1)=138
138 % 10 = 8
So 1151782-31-8 is a valid CAS Registry Number.
1151782-31-8Relevant articles and documents
Process for the preparation of aryl-diamines
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Page/Page column sheet 2; 7, (2009/06/27)
A process for forming a N,N′-diaryl-N,N′-di(hydroxyaryl)-aryl-diamine compound includes reacting a halogenated aryl compound with an etherified diarylamine in the presence of a catalyst, then deprotecting the resulting N,N′-diaryl-N,N′-di(alkyl-oxyaryl)-a