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89469-84-1

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89469-84-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89469-84-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,4,6 and 9 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 89469-84:
(7*8)+(6*9)+(5*4)+(4*6)+(3*9)+(2*8)+(1*4)=201
201 % 10 = 1
So 89469-84-1 is a valid CAS Registry Number.

89469-84-1Downstream Products

89469-84-1Relevant articles and documents

Thebaine Rearrangements: Nonclassical D Ring Migrations

Allen, Andrew C.,Cooper, Donald A.,Moore, James M.,Teer, Charles B.

, p. 3462 - 3465 (2007/10/02)

3,6-Dimethoxy-4-acetoxy-5-phenanthrene (3) and its isomer 3,6-dimethoxy-4-acetoxy-8-phenanthrene (4) have been detected as manufacturing byproducts at trace levels in illicit heroin.These compounds are novel rearrangement products obtained by the action of acetic anhydride (Ac2O) on thebaine (1).The syntheses of 3 and 4 from 1 proceed via the intermediate Δ5,7,9(14)-N-acetyldesthebaine (2).Structural characterization and optimization of synthetic conditions for 3 and 4 are described.A brief discussion is also giving concerning other neutral products of 1 obtained under Ac2O conditions.

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