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N-Di-(4-nitro-phenoxy)-phosphinyl-(3-trifluormethyl-phenyl)-iminosulfonsaeure-(4-nitro-phenyl)-ester is a complex organic compound with the chemical formula C20H12F3N3O12PS. This molecule is characterized by its unique structure, which includes two 4-nitro-phenoxy groups attached to a phosphorus atom, a 3-trifluoromethyl-phenyl group, and a 4-nitro-phenyl ester group. The compound is known for its potential applications in chemical research and as a reagent in certain synthetic processes. Its structure provides it with specific reactivity and stability properties, making it a subject of interest in the field of organic chemistry.

1691-08-3

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1691-08-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1691-08-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,9 and 1 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1691-08:
(6*1)+(5*6)+(4*9)+(3*1)+(2*0)+(1*8)=83
83 % 10 = 3
So 1691-08-3 is a valid CAS Registry Number.

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