63914-81-8 Usage
General Description
2-(Chlorosulfonyl)benzoic acid, also known by its CAS number 5530-54-5, is a chemical compound with the molecular formula C7H5ClO4S. It is a white to off-white crystalline powder that is soluble in organic solvents and has a pungent odor. 2-(Chlorosulfonyl)benzoic acid is primarily used as a reagent in organic synthesis, particularly in the production of pharmaceuticals and agrochemicals. It is a versatile intermediate for the synthesis of various compounds, including dyes, pigments, and specialty chemicals. Additionally, 2-(Chlorosulfonyl)benzoic acid is utilized in the manufacturing of liquid crystal materials and as a building block for complex organic molecules. Due to its high reactivity and versatile applications, this compound is an important reagent in the chemical industry.
Check Digit Verification of cas no
The CAS Registry Mumber 63914-81-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,3,9,1 and 4 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 63914-81:
(7*6)+(6*3)+(5*9)+(4*1)+(3*4)+(2*8)+(1*1)=138
138 % 10 = 8
So 63914-81-8 is a valid CAS Registry Number.
InChI:InChI=1/C7H5ClO4S/c8-13(11,12)6-4-2-1-3-5(6)7(9)10/h1-4H,(H,9,10)
63914-81-8Relevant articles and documents
Continuous-Flow Diazotization for Efficient Synthesis of Methyl 2-(Chlorosulfonyl)benzoate: An Example of Inhibiting Parallel Side Reactions
Yu, Zhiqun,Dong, Hei,Xie, Xiaoxuan,Liu, Jiming,Su, Weike
, p. 2116 - 2123 (2016/12/24)
An expeditious process for the highly efficient synthesis of methyl 2-(chlorosulfonyl)benzoate was described, which involved the continuous-flow diazotization of methyl 2-aminobenzoate in a three-inlet flow reactor via a cross joint followed by chlorosulfonylation in the tandem tank reactor. The side reaction such as hydrolysis was decreased eminently from this continuous-flow process even at a high concentration of hydrochloric acid. The mass flow rate of methyl 2-aminobenzoate was 4.58 kg/h, corresponding to an 18.45 kg/h throughput of diazonium salt solution. The potential of inhibiting parallel side reactions by conducting in a flow reactor was successfully demonstrated in this method.