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(-)-trans-4-(acetylamino)-1,3,4,5-tetrahydro-1-(p-tolylsulfonyl)benzindol-5-ol mandelate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

81244-89-5

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81244-89-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81244-89-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,2,4 and 4 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 81244-89:
(7*8)+(6*1)+(5*2)+(4*4)+(3*4)+(2*8)+(1*9)=125
125 % 10 = 5
So 81244-89-5 is a valid CAS Registry Number.

81244-89-5Relevant articles and documents

A New Class of D-Heteroergolines: Total Synthesis and Resolution of a 9-Oxaergoline, 4,6,6a,8,9,10a-Hexahydro-7-ethyl-7H-indolobenzoxazine

Anderson, Paul S.,Baldwin, John J.,McClure, David E.,Lundell, George F.,Jones, James H.

, p. 2184 - 2187 (2007/10/02)

Synthesis of the 9-oxaergoline ring system, 4,6,6a,8,9,10a-hexahydro-7-ethyl-7H-indolobenzoxazine, is presented.Both the C/D cis and the C/D trans isomers were prepared.Resolution of the C/D trans isomer afforded (-)-trans-6-ethyl-9-oxaergoli

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