1887135-96-7 Usage
Description
DFBTA-2ThBr-HD,?4,7-bis(5-bromothiophen-2-yl)-5,6-difluoro-2-(2-hexyldecyl)-2H-benzo[d]triazole is an electron-deficient building block for the synthesis of medium band-gap polymer semiconductors, such as J71, in the application of OPV devices.
Check Digit Verification of cas no
The CAS Registry Mumber 1887135-96-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,8,8,7,1,3 and 5 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1887135-96:
(9*1)+(8*8)+(7*8)+(6*7)+(5*1)+(4*3)+(3*5)+(2*9)+(1*6)=227
227 % 10 = 7
So 1887135-96-7 is a valid CAS Registry Number.