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4-(4-Methoxy-2-nitro-phenylamino)-2,5-dihydro-thiophene-3-carbonitrile is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

74137-91-0

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74137-91-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74137-91-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,1,3 and 7 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 74137-91:
(7*7)+(6*4)+(5*1)+(4*3)+(3*7)+(2*9)+(1*1)=130
130 % 10 = 0
So 74137-91-0 is a valid CAS Registry Number.

74137-91-0Relevant academic research and scientific papers

10-Piperazinyl-4H-theino[3,2-b][1,5]- and -[3,4-b][1,5]benzodiazepines as potential neuroleptics.

Chakrabarti,Fairhurst,Gutteridge,Horsman,Pullar,Smith,Steggles,Tupper,Wright

, p. 884 - 889 (1980)

The synthesis of 10-piperazinyl-4H-thieno[3,2-b][1,5]benzodiazepines is described. The activity of these compounds has been assessed on the basis of their ability to produce hypothermia in mice and block a conditioned avoidance response (CAR) and produce

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