23851-59-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 23851-59-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,8,5 and 1 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 23851-59:
(7*2)+(6*3)+(5*8)+(4*5)+(3*1)+(2*5)+(1*9)=114
114 % 10 = 4
So 23851-59-4 is a valid CAS Registry Number.
23851-59-4Relevant articles and documents
Basic azo dyestuffs of the 3-cyano-2,4,6-triamino pyridine series
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, (2008/06/13)
The new basic azo dyestuffs of the formula STR1 wherein the symbols have the meaning given in the description, are suitable for dyeing synthetic and naturally occurring substrates which can be dyed with basic dyestuffs.
