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1261434-20-1

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1261434-20-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1261434-20-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,1,4,3 and 4 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1261434-20:
(9*1)+(8*2)+(7*6)+(6*1)+(5*4)+(4*3)+(3*4)+(2*2)+(1*0)=121
121 % 10 = 1
So 1261434-20-1 is a valid CAS Registry Number.

1261434-20-1Relevant articles and documents

N-Type field-effect transistors based on thieno[3,2-b]thiophene-2,5-dione and the bis(dicyanomethylene) derivatives

Chen, Shiyan,Bolag, Altan,Nishida, Jun-Ichi,Yamashita, Yoshiro

, p. 998 - 1000 (2011)

Two newcompounds, 3,6-bis(4-trifluoromethylphenyl)thieno- [3,2-b]thiophene-2,5-dione (1) and 2,5-bis(dicyanomethylene)- 3,6-bis(4-trifluoromethylphenyl)thieno[3,2-b]thiophene (2), were synthesized and characterized. The crystal structure of 1 was determin

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