m-Chlor-thiobenzoesaeurechlorid, also known as 3-chlorobenzoyl chloride or m-chlorobenzoyl chloride, is an organic compound with the chemical formula C7H4Cl2O. It is a colorless to pale yellow liquid that is soluble in organic solvents. This chemical is primarily used as a reagent in organic synthesis, particularly in the preparation of various pharmaceuticals, agrochemicals, and other specialty chemicals. It is also employed as a building block for the synthesis of dyes and pigments. Due to its reactivity, m-chlorobenzoyl chloride is handled with care, as it can be harmful if inhaled, ingested, or absorbed through the skin, and it may cause irritation to the eyes, skin, and respiratory system.
The CAS Registry Mumber 3335-26-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,3,3 and 5 respectively; the second part has 2 digits, 2 and 6 respectively. Calculate Digit Verification of CAS Registry Number 3335-26: (6*3)+(5*3)+(4*3)+(3*5)+(2*2)+(1*6)=70 70 % 10 = 0 So 3335-26-0 is a valid CAS Registry Number.