109113-75-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109113-75-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,1,1 and 3 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 109113-75:
(8*1)+(7*0)+(6*9)+(5*1)+(4*1)+(3*3)+(2*7)+(1*5)=99
99 % 10 = 9
So 109113-75-9 is a valid CAS Registry Number.
109113-75-9Relevant articles and documents
Reaction of o-Aminophenol and p-Benzoquinone in Acetic Acid
Bolognese, Adele,Scherillo, Giulia,Schaefer, Wolfram
, p. 1003 - 1006 (2007/10/02)
The reaction of o-aminophenol and p-benzoquinone in acetic acid yields phenoxazinones 1, 5 and 6, phenoxazine 7, triphenodioxazine 2, ditriphenodioxazine 3 and the phenoxazinonyltriphenodioxazine 4.