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1101169-18-9

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1101169-18-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1101169-18-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,0,1,1,6 and 9 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1101169-18:
(9*1)+(8*1)+(7*0)+(6*1)+(5*1)+(4*6)+(3*9)+(2*1)+(1*8)=89
89 % 10 = 9
So 1101169-18-9 is a valid CAS Registry Number.

1101169-18-9Downstream Products

1101169-18-9Relevant articles and documents

Fe(OTf)2-Catalyzed Thia-Michael Addition Reaction: A Green Synthetic Approach to β-Thioethers

Lauzon, Samuel,Li, Mao,Keipour, Hoda,Ollevier, Thierry

, p. 4536 - 4540 (2018)

A convenient Fe(OTf)2-catalyzed Michael addition reaction of thiols to α,β-unsaturated carbonyl compounds was developed. The use of a simple procedure (EtOH, room temperature, air atmosphere) allowed to set up effective green catalytic conditions for C–S bond formation. The scope of the reaction was demonstrated using various substituted thiols and original Michael acceptors. The corresponding β-thioethers were obtained in good to excellent yields (up to 99 %). Also, the derivatization into the one-pot thia-Michael addition/oxidation reaction of 3-[3-(phenylthio)butanoyl]oxazolidin-2-one using H2O2 has proven to be efficient.

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