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132313-35-0

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132313-35-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 132313-35-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,2,3,1 and 3 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 132313-35:
(8*1)+(7*3)+(6*2)+(5*3)+(4*1)+(3*3)+(2*3)+(1*5)=80
80 % 10 = 0
So 132313-35-0 is a valid CAS Registry Number.

132313-35-0Relevant articles and documents

STEPWISE SYNTHESES OF UNSYMMETRICAL TETRA-ARYLPORPHYRINS. ADAPTATION OF THE MACDONALD DIPYRROLE SELF-CONDENSATION METHODOLOGY

Wallace, David M.,Smith, Kevin M.

, p. 7265 - 7268 (1990)

A new synthetic route to meso-tetraarylporphyrins using a MacDonald-type 2+2 condensation is established.The method presented here shows wide applicability for the preparation of 5,10,15,20-tetra-arylsubstituted porphyrins with two-fold rotational symmetry.The 2+2 method is further extented to give a tetraarylporphyrin (14) bearing four different aryl groups in a predesignated array.

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