99033-31-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99033-31-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,0,3 and 3 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 99033-31:
(7*9)+(6*9)+(5*0)+(4*3)+(3*3)+(2*3)+(1*1)=145
145 % 10 = 5
So 99033-31-5 is a valid CAS Registry Number.
99033-31-5Relevant 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
