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123202-89-1

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123202-89-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 123202-89-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,2,0 and 2 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 123202-89:
(8*1)+(7*2)+(6*3)+(5*2)+(4*0)+(3*2)+(2*8)+(1*9)=81
81 % 10 = 1
So 123202-89-1 is a valid CAS Registry Number.

123202-89-1Downstream Products

123202-89-1Relevant articles and documents

Benzothiazine derivative, a preparation method and uses thereof

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, (2018/09/14)

The invention belongs to the field of chemical medicine, particularly relates to a benzothiazine derivative, a preparation method and uses thereof, and provides a benzothiazine derivative, a preparation method and uses thereof, wherein the structure is represented by a formula I. The invention further provides a preparation method and uses of the benzothiazine derivative. The formula I is definedin the specification.

ACYLATION REACTION OF HYDROXYL GROUP

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Page/Page column 11, (2010/07/03)

Disclosed is a selective ester production process of an alcoholic hydroxyl group, which proceeds under chemically mild conditions, while having adequate environmental suitability, operability and economical efficiency. Specifically disclosed is a process for producing an ester compound, which is characterized in that an alcohol and a carboxylic acid ester compound are reacted in the presence of a compound containing zinc element, thereby selectively acylating a hydroxyl group of the alcohol.

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