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Ethyl phenylamidosulfate, also known as ethyl phenylsulfamate, is an organic compound with the chemical formula C8H11NO3S. It is a colorless, crystalline solid that is soluble in water and ethanol. ethyl phenylamidosulfate is primarily used as an intermediate in the synthesis of various pharmaceuticals, agrochemicals, and other organic compounds. Ethyl phenylamidosulfate is produced through the reaction of aniline with ethyl chlorosulfate, resulting in a product that can be further transformed into a wide range of valuable chemicals. Due to its reactivity and versatility, it plays a significant role in the chemical industry, particularly in the development of new drugs and other specialty chemicals.

3782-61-4

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3782-61-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3782-61-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,7,8 and 2 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 3782-61:
(6*3)+(5*7)+(4*8)+(3*2)+(2*6)+(1*1)=104
104 % 10 = 4
So 3782-61-4 is a valid CAS Registry Number.

3782-61-4Relevant academic research and scientific papers

Insertion of Sulfur Trioxide into the N-Si bond of Anilinotrimethylsilane. An Improved Method for the Preparation of Free Phenylamidosulfuric Acid

Kanetani, Fujio,Okada, Eiji,Negoro, Kenji

, p. 2517 - 2520 (2007/10/02)

The reaction between anilinotrimethylsilane (1) and a variety of sulfonating agents has been studied.With SO3, 5, or a dioxane-sulfur trioxide complex a sulfur trioxide molecule was inserted selectively into the N-Si bond of 1 to yield trimethylsilyl phenylamidosulfate (2), which on treatment with acetic acid, trifluoroacetic acid, or methanol gave free phenylamidosulfuric acid (3).The reaction of 1 with ClSO3H afforded 3 directly, but the product was contaminated with slight amounts of anilinium hydrogensulfate and anilinium chloride.The reaction of 1 with 10 yielded a mixture containing dianilinium (4-sulfonatophenylamido)sulfate, 4-aminobenzenesulfonic acid, and ethyl phenylamidosulfate as major products (after desilylation).The reaction of 1 with 5 has been found to provide an improved method for preparing 3.

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