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172688-06-1

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172688-06-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 172688-06-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,6,8 and 8 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 172688-06:
(8*1)+(7*7)+(6*2)+(5*6)+(4*8)+(3*8)+(2*0)+(1*6)=161
161 % 10 = 1
So 172688-06-1 is a valid CAS Registry Number.

172688-06-1Relevant articles and documents

Synthesis of α-acetoxy and formyloxy ketones by thallium(III) promoted α-oxidation

Lee,Jin,Choi

, p. 956 - 957 (2007/10/03)

Treatment of ketones with thallium(III) triflate in amide solvents at 60°C for 30 min followed by addition of small amounts of H2O cleanly provided the corresponding α-acyloxy ketones.

A convenient method for the conversion of halides to alcohols

Alexander,Renyer,Veerapanane

, p. 3875 - 3881 (2007/10/03)

The displacement of halides in unactivated primary bromides and iodides, allylic and benzylic primary and secondary bromides, and primary and secondary α-bromoketones by formate, using triethylammonium formate as the formylating agent, followed by acid or base catalyzed hydrolysis has been found to be an efficient method for the conversion of halides to alcohols.

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