132513-18-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 132513-18-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,2,5,1 and 3 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 132513-18:
(8*1)+(7*3)+(6*2)+(5*5)+(4*1)+(3*3)+(2*1)+(1*8)=89
89 % 10 = 9
So 132513-18-9 is a valid CAS Registry Number.
132513-18-9Relevant articles and documents
Intramolecular Ullmann Condensation Reaction: An Effective Approach to Macrocyclic Diaryl Ethers
Boger, Dale L.,Yohannes, D.
, p. 1763 - 1767 (1991)
The demonstration and definition of the scope of the intramolecular Ullmann condensation reaction suitable for use in macrocyclization reactions leading to 14-membered para- and metacyclophanes possessing a diaryl ether are detailed.
