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835-73-4

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835-73-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 835-73-4 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 8,3 and 5 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 835-73:
(5*8)+(4*3)+(3*5)+(2*7)+(1*3)=84
84 % 10 = 4
So 835-73-4 is a valid CAS Registry Number.

835-73-4Relevant articles and documents

Ac2O-Py/basic alumina as a versatile reagent for acetylations in solvent-free conditions under microwave irradiation

Paul, Satya,Nanda, Puja,Gupta, Rajive,Loupy, André

, p. 4261 - 4265 (2002)

Acetic anhydride-pyridine over basic alumina has been used in order to carry out acetylations of hydroxy, thiol and amino groups in solvent-free conditions under microwave irradiation. The technique can be extended for selective acetylations by regulation of irradiation time.

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