1220-99-1 Usage
General Description
10-Acetyl-10H-phenothiazine 5,5-dioxide, also known as acetyldiphenylene oxide or acetylpentazine, is a chemical compound with the molecular formula C16H11NO2S. It is a derivative of phenothiazine and is commonly used as a precursor in the synthesis of other organic compounds. This chemical is a yellow to light brown crystalline powder with a melting point of 113-116°C. It is primarily used in the pharmaceutical industry as an intermediate in the production of various drugs, including antipsychotic and antiemetic medications. Additionally, it has applications in the manufacturing of dyes and pigments. This chemical possesses potential health hazards and should be handled and stored with appropriate safety measures in place.
Check Digit Verification of cas no
The CAS Registry Mumber 1220-99-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,2,2 and 0 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1220-99:
(6*1)+(5*2)+(4*2)+(3*0)+(2*9)+(1*9)=51
51 % 10 = 1
So 1220-99-1 is a valid CAS Registry Number.
InChI:InChI=1/C14H11NO3S/c1-10(16)15-11-6-2-4-8-13(11)19(17,18)14-9-5-3-7-12(14)15/h2-9H,1H3
1220-99-1Relevant articles and documents
Utilizing d–pπ Bonds for Ultralong Organic Phosphorescence
Tian, Shuai,Ma, Huili,Wang, Xuan,Lv, Anqi,Shi, Huifang,Geng, Yun,Li, Jie,Liang, Fushun,Su, Zhong-Min,An, Zhongfu,Huang, Wei
, p. 6645 - 6649 (2019)
Developing pure organic materials with ultralong lifetimes is attractive but challenging. Here we report a concise chemical approach to regulate the electronic configuration for phosphorescence enhancement. After the introduction of d–pπ bonds into a phenothiazine model system, a phosphorescence lifetime enhancement of up to 19 times was observed for DOPPMO, compared to the reference PPMO. A record phosphorescence lifetime of up to 876 ms was obtained in phosphorescent phenothiazine. Theoretical calculations and single-crystal analysis reveal that the d–pπ bond not only reduces the (n, π*) proportion of the T1 state, but also endows the rigid molecular environment with multiple intermolecular interactions, thus enabling long-lived phosphorescence. This finding makes a valuable contribution to the prolongation of phosphorescence lifetimes and the extension of the scope of phosphorescent materials.
