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75630-46-5

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75630-46-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75630-46-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,6,3 and 0 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 75630-46:
(7*7)+(6*5)+(5*6)+(4*3)+(3*0)+(2*4)+(1*6)=135
135 % 10 = 5
So 75630-46-5 is a valid CAS Registry Number.

75630-46-5Relevant articles and documents

The Chemistry of Pyrrolic Compounds. LXV Intramolecular Cyclization of Porphyrins with Acetic Acid Chains: Hydroxy Derivatives of Deoxophylloerythroaetioporphyrin (DPEP)

Clezy, Peter S.,Mirza, Aminul H.,Prashar, Jognandan K.

, p. 857 - 866 (2007/10/02)

The intramolecular cyclization of porphyrins substituted with an acetic acid side chain has been studied under a range of conditions but the yield of product bearing a fused five-membered ketonic ring system was disappointingly low.Deoxophylloerythroaetio

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