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Thiophene, 2,4-dibromo-3,5-bis(chloromethyl)-, is a chemical compound with the molecular formula C4H2Br2Cl2S. It is a halogenated derivative of thiophene, a heterocyclic compound consisting of a five-membered ring with one sulfur atom and four carbon atoms. The compound features two bromine atoms at the 2nd and 4th positions and two chloromethyl groups at the 3rd and 5th positions. This specific arrangement of halogens and functional groups makes it a valuable intermediate in the synthesis of various pharmaceuticals, agrochemicals, and other specialty chemicals. Due to its reactive nature, it is essential to handle Thiophene, 2,4-dibromo-3,5-bis(chloromethyl)- with care, following proper safety protocols and guidelines.

7311-54-8

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7311-54-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 7311-54-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,3,1 and 1 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 7311-54:
(6*7)+(5*3)+(4*1)+(3*1)+(2*5)+(1*4)=78
78 % 10 = 8
So 7311-54-8 is a valid CAS Registry Number.

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