88-33-5 Usage
General Description
5-chloro-2-formylbenzenesulphonic acid, also known as 5-chloro-2-sulfonatobenzaldehyde, is a chemical compound with the chemical formula C7H5ClO4S. It is a derivative of benzenesulphonic acid and is a white to off-white crystalline powder. 5-chloro-2-formylbenzenesulphonic acid is commonly used as an intermediate in the synthesis of pharmaceuticals, dyes, and other organic compounds. It is also used as a reagent in organic chemistry reactions, particularly in the formation of aromatic rings. The presence of both a formyl and a sulphonate group in the molecule makes it a versatile building block for the synthesis of various complex organic compounds.
Check Digit Verification of cas no
The CAS Registry Mumber 88-33-5 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 8 and 8 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 88-33:
(4*8)+(3*8)+(2*3)+(1*3)=65
65 % 10 = 5
So 88-33-5 is a valid CAS Registry Number.
InChI:InChI=1/C7H5ClO4S/c8-6-2-1-5(4-9)7(3-6)13(10,11)12/h1-4H,(H,10,11,12)
