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129715-49-7

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129715-49-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 129715-49-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,7,1 and 5 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 129715-49:
(8*1)+(7*2)+(6*9)+(5*7)+(4*1)+(3*5)+(2*4)+(1*9)=147
147 % 10 = 7
So 129715-49-7 is a valid CAS Registry Number.

129715-49-7Downstream Products

129715-49-7Relevant 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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