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1233362-20-3

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1233362-20-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1233362-20-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,3,3,6 and 2 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1233362-20:
(9*1)+(8*2)+(7*3)+(6*3)+(5*3)+(4*6)+(3*2)+(2*2)+(1*0)=113
113 % 10 = 3
So 1233362-20-3 is a valid CAS Registry Number.

1233362-20-3Downstream Products

1233362-20-3Relevant academic research and scientific papers

Selective deprotection of phenolic polysulfonates

Chapman, Erin E.,Langler, Richard F.

, p. 19 - 26 (2010)

Nosylates of phenols can be selectively deprotected by thiocresol anions in DMSO. Successful deprotection can be accomplished in molecules containing aryl-appended halides, ethers, aldehydes, alkanesulfonates or arylsulfonates. Nosylate deprotection is accomplished by the CS bond rupture which is believed to proceed by nucleophilic aromatic substitution.

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