1597438-41-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1597438-41-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,9,7,4,3 and 8 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1597438-41:
(9*1)+(8*5)+(7*9)+(6*7)+(5*4)+(4*3)+(3*8)+(2*4)+(1*1)=219
219 % 10 = 9
So 1597438-41-9 is a valid CAS Registry Number.
1597438-41-9Relevant articles and documents
Highly phenylated polyimides containing 4,4′-diphenylether moiety
Chen, Jyh-Chien,Wu, Jin-An,Li, Shih-Wei,Chou, Shang-Chih
, p. 23 - 31 (2014/04/03)
A new aromatic diamine, 2,2′,6,6′-tetraphenyl-4,4′- oxydianiline (4PhODA, 4), has been synthesized by oxidation, bromination, Suzuki coupling and reduction of 4,4′-oxydianiline (4,4′-ODA). Highly phenylated polyimides PI7a-f were prepared from diamine 4 a
