23648-85-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 23648-85-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,6,4 and 8 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 23648-85:
(7*2)+(6*3)+(5*6)+(4*4)+(3*8)+(2*8)+(1*5)=123
123 % 10 = 3
So 23648-85-3 is a valid CAS Registry Number.
23648-85-3Relevant articles and documents
A method of preparing azo dye through coupling
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Paragraph 0033; 0083-0086, (2018/05/30)
The invention relates to an azo dye synthetic method, and particularly relates to a method of coupling a weak-alkaline arylamine diazonium salt and a phenol compound under alkaline conditions to prepare azo dye. Weak-alkaline arylamine diazonium salt filt
