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2-Chlor-4-cyano-6-nitrophenyl-benzolsulfonat, also known as 2-chloro-4-cyano-6-nitrophenyl benzenesulfonate, is a chemical compound with the molecular formula C13H6ClN3O4S. It is a yellow crystalline solid that is soluble in organic solvents such as ethanol and acetone. 2-Chlor-4-cyano-6-nitrophenyl-benzolsulfonat is primarily used as an intermediate in the synthesis of various pharmaceuticals, agrochemicals, and dyes. Due to its reactive nature, it is important to handle this chemical with care, as it may pose health risks and environmental concerns.

1690-07-9

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1690-07-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1690-07-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,9 and 0 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1690-07:
(6*1)+(5*6)+(4*9)+(3*0)+(2*0)+(1*7)=79
79 % 10 = 9
So 1690-07-9 is a valid CAS Registry Number.

1690-07-9Upstream product

1690-07-9Downstream Products

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