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161977-57-7

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161977-57-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 161977-57-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,1,9,7 and 7 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 161977-57:
(8*1)+(7*6)+(6*1)+(5*9)+(4*7)+(3*7)+(2*5)+(1*7)=167
167 % 10 = 7
So 161977-57-7 is a valid CAS Registry Number.

161977-57-7Relevant articles and documents

Efficient acyclic stereocontrol using the tethered aminohydroxylation reaction

Donohoe, Timothy J.,Johnson, Peter D.,Pye, Richard J.,Keenan, Martine

, p. 2583 - 2585 (2007/10/03)

(Matrix Presented) The tethered aminohydroxylation (TA) of acyclic allylic carbamates has been achieved in a stereospecific and stereoselective manner. Unusually high levels of stereocontrol were observed in the oxidation of 1,1-disubstituted substrates.

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