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1241949-16-5

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1241949-16-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1241949-16-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,1,9,4 and 9 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1241949-16:
(9*1)+(8*2)+(7*4)+(6*1)+(5*9)+(4*4)+(3*9)+(2*1)+(1*6)=155
155 % 10 = 5
So 1241949-16-5 is a valid CAS Registry Number.

1241949-16-5Relevant articles and documents

Low-cost dyes based on methylthiophene for high-performance dye-sensitized solar cells

Tian, Zongfang,Huang, Meihua,Zhao, Bin,Huang, Hui,Feng, Xiaoming,Nie, Yujuan,Shen, Ping,Tan, Songting

experimental part, p. 181 - 187 (2010/07/15)

Three donor-acceptor, π-conjugated (D-π-A) dyes containing methylthiophene or vinylene methylthiophene as π-conjugated spacer were utilised in dye-sensitized nanocrystalline TiO2 solar cells. The relationship between the structure of the dyes and their photophysical, electrochemical and photovoltaic properties was investigated systematically. The vinyl unit, introduced as the π-conjugated spacer, leads to unfavorable back-electron transfer and decrease of the open-circuit voltage. A dye-sensitized solar cell based on 2-cyano-3-(5-(4-(diphenylamino)phenyl)-4-methylthiophenyl-2-yl) acrylic acid displayed the most efficient solar-to-electricity conversion efficiency of the dyes with a maximum η value of 8.27% (Voc?=?0.72?V, Jsc?=?15.76?mA?cm-2, FF?=?0.73) under simulated AM 1.5 G solar irradiation (100?mW?cm-2).

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