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N,N'-Bis-(3-pentachloraethyl-phenyl)-harnstoff, also known as 3,3'-dichloro-4,4'-diaminodiphenyl, is an organochlorine compound with the chemical formula C12H10Cl6N2. It is a white crystalline solid that is insoluble in water but soluble in organic solvents. N,N'-Bis-<3-pentachloraethyl-phenyl>-harnstoff is primarily used as a chemical intermediate in the synthesis of various pesticides and pharmaceuticals. Due to its potential environmental and health risks, its production and use are subject to strict regulations in many countries.

862-20-4

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862-20-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 862-20-4 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 8,6 and 2 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 862-20:
(5*8)+(4*6)+(3*2)+(2*2)+(1*0)=74
74 % 10 = 4
So 862-20-4 is a valid CAS Registry Number.

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