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1-Diaethylaminomethylenamino-2-(4-nitro-phenyl)-2-cyan-aethylen is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

21419-16-9

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21419-16-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21419-16-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,4,1 and 9 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 21419-16:
(7*2)+(6*1)+(5*4)+(4*1)+(3*9)+(2*1)+(1*6)=79
79 % 10 = 9
So 21419-16-9 is a valid CAS Registry Number.

21419-16-9Relevant academic research and scientific papers

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