113402-31-6 Usage
Description
4,4',4''-Methylidenetrisbenzonitrile, also known as Letrozole EP Impurity B, is an isomeric impurity of Letrozole, a medication used to treat infertility and breast cancer. It is an off-white solid with unique chemical properties that differentiate it from the main compound.
Uses
Used in Pharmaceutical Industry:
4,4',4''-Methylidenetrisbenzonitrile is used as a Letrozole isomeric impurity for quality control and assurance purposes in the production of Letrozole. Its presence is monitored and controlled to ensure the purity and efficacy of the final pharmaceutical product.
Check Digit Verification of cas no
The CAS Registry Mumber 113402-31-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,3,4,0 and 2 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 113402-31:
(8*1)+(7*1)+(6*3)+(5*4)+(4*0)+(3*2)+(2*3)+(1*1)=66
66 % 10 = 6
So 113402-31-6 is a valid CAS Registry Number.
113402-31-6Relevant articles and documents
How to Manipulate Through-Space Conjugation and Clusteroluminescence of Simple AIEgens with Isolated Phenyl Rings
Hu, Lianrui,Lam, Jacky W. Y.,Li, Xingguang,Liu, Junkai,Sung, Herman H. Y.,Tang, Ben Zhong,Wang, Haoran,Wang, Zhaoyu,Williams, Ian D.,Zeng, Zebing,Zhang, Haoke,Zhang, Jianyu,Zhang, Kaihua
, p. 9565 - 9574 (2021)
Apart from the traditional through-bond conjugation (TBC), through-space conjugation (TSC) is gradually proved as another important interaction in photophysical processes, especially for the recent observation of clusteroluminescence from nonconjugated mo