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945923-99-9

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945923-99-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 945923-99-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,5,9,2 and 3 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 945923-99:
(8*9)+(7*4)+(6*5)+(5*9)+(4*2)+(3*3)+(2*9)+(1*9)=219
219 % 10 = 9
So 945923-99-9 is a valid CAS Registry Number.

945923-99-9Downstream Products

945923-99-9Relevant articles and documents

Convenient one-pot synthesis of sulfonamides from thiols using trichloroisocyanuric acid

Bonk, Jason D.,Amos, David T.,Olson, Sarah J.

, p. 2039 - 2050 (2007)

A convenient synthesis of sulfonamides from thiols is described. In situ preparation of sulfonyl chlorides from thiols is accomplished by oxidation with trichloroisocyanuric acid (TCCA), benzyltrimethylammonium chloride and water (2.5 equiv). The sulfonyl chlorides are then further allowed to react with excess amine in the same reaction vessel. Triethylamine can be optionally added as acid scavenger. Copyright Taylor & Francis Group, LLC.

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