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85231-97-6

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85231-97-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 85231-97-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,2,3 and 1 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 85231-97:
(7*8)+(6*5)+(5*2)+(4*3)+(3*1)+(2*9)+(1*7)=136
136 % 10 = 6
So 85231-97-6 is a valid CAS Registry Number.

85231-97-6Relevant articles and documents

New protocol for converting alcohols into amines

Klepacz,Zwierzak

, p. 1683 - 1689 (2007/10/03)

The reactions between diethyl N-(t-butoxycarbonyl)phosphoramidate 1, diisopropyl azodicarboxylate (DIAD), triphenylphosphine (TPP) and primary or secondary alcohols lead to the corresponding diethyl N-alkyl-N-(t-butoxycarbonyl)phosphoramidates 2a-o. Deprotection of crude 2 by refluxing with p-toluenesulfonic acid monohydrate in ethanol affords ammonium tosylates 3a-o in moderate to good overall yields. The N-alkylation of 1 proceeds stereoselectively with complete inversion of the configuration of the alkyl group.

Diethyl N-(t-Butoxycarbonyl)-phosphoramidate: A New, Useful Substitute of Phthalimide in Gabriel-Type Syntheses of Primary Amines

Zwierzak, Andrzej,Pilichowska, Slawomira

, p. 922 - 924 (2007/10/02)

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