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2,4-Dichlor-5-nitrophenylchloroform, also known as 2,4-dichloro-5-nitrophenyl chloroformate, is a chemical compound with the molecular formula C7H3Cl3NO3. It is a derivative of phenyl chloroformate, featuring two chlorine atoms at the 2nd and 4th positions, and a nitro group at the 5th position on the benzene ring. 2,4-Dichlor-5-nitrophenylchloroform is primarily used as a reagent in organic synthesis, particularly in the preparation of esters and amides. Due to its reactivity, it is essential to handle 2,4-dichloro-5-nitrophenyl chloroformate with caution, as it can be hazardous and may cause irritation or damage to the skin, eyes, and respiratory system upon exposure.

717-43-1

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717-43-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 717-43-1 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,1 and 7 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 717-43:
(5*7)+(4*1)+(3*7)+(2*4)+(1*3)=71
71 % 10 = 1
So 717-43-1 is a valid CAS Registry Number.

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