99052-68-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99052-68-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,0,5 and 2 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 99052-68:
(7*9)+(6*9)+(5*0)+(4*5)+(3*2)+(2*6)+(1*8)=163
163 % 10 = 3
So 99052-68-3 is a valid CAS Registry Number.
99052-68-3Relevant academic research and scientific papers
Calixarenes. 16. Functionalized Calixarenes: The Direct Substitution Route
Gutsche, C. David,Pagoria, Philip F.
, p. 5795 - 5802 (2007/10/02)
The base-induced condensation of p-phenylphenol and formaldehyde is shown to yield p-phenylcalixarene 3 and p-phenylcalixarene 5 as isolable products but no detectable amount of p-phenylcalixarene 1, contrary to earlier reports.As an alternative