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87893-89-8

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87893-89-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87893-89-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,8,9 and 3 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 87893-89:
(7*8)+(6*7)+(5*8)+(4*9)+(3*3)+(2*8)+(1*9)=208
208 % 10 = 8
So 87893-89-8 is a valid CAS Registry Number.

87893-89-8Downstream Products

87893-89-8Relevant articles and documents

1,3-Dipolar Cycloaddition of Azolium Dicyanomethylides

Diez-Barra, Enrique,Pardo, Carmen,Elguero, Jose,Arriau, Jean

, p. 1317 - 1320 (2007/10/02)

1,3-Dipolar cycloaddition of azolium N-dicyanomethylides, which have an azomethine ylide structure, to acetylenic dipolarophiles affords azolopyridine derivatives.The initial cycloadduct has been isolated for the first time.Using unsymmetrical dipolarophi

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