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81803-29-4

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81803-29-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81803-29-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,8,0 and 3 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 81803-29:
(7*8)+(6*1)+(5*8)+(4*0)+(3*3)+(2*2)+(1*9)=124
124 % 10 = 4
So 81803-29-4 is a valid CAS Registry Number.

81803-29-4Downstream Products

81803-29-4Relevant articles and documents

Regioselective Construction of Cyclohexene Derivatives by Diels-Alder Reactions of Nitro-olefins with Dienes and Subsequent Denitration with Tributyltin Hydride

Ono, Noboru,Miyake, Hideyoshi,Kaji, Aritsune

, p. 33 - 34 (1982)

The nitro-group in the Diels-Alder adducts of nitro-olefins with dienes is replaced by hydrogen on treatment with tributyltin hydride, which offers a new method for the regioselective construction of cyclohexene derivatives.

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