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99056-06-1

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99056-06-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99056-06-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,0,5 and 6 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 99056-06:
(7*9)+(6*9)+(5*0)+(4*5)+(3*6)+(2*0)+(1*6)=161
161 % 10 = 1
So 99056-06-1 is a valid CAS Registry Number.

99056-06-1Relevant articles and documents

Synthesis of 2-Arylethylamines by the Curtius Rearrangement

Schulze, Matthias

experimental part, p. 1461 - 1476 (2010/07/08)

2-Arylethylamine derivatives were synthesized using the Curtius reaction and with three different methods of preparing the acyl azide functional group. Carbamates derived from isocyanate were convenient protecting groups for alkylation of amines. Starting from benzaldehyde, amphetamine was prepared in three steps through an oxazolidin-2-one intermediate in 62% overall yield. Copyright Taylor & Francis Group, LLC.

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