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70958-09-7

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70958-09-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 70958-09-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,9,5 and 8 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 70958-09:
(7*7)+(6*0)+(5*9)+(4*5)+(3*8)+(2*0)+(1*9)=147
147 % 10 = 7
So 70958-09-7 is a valid CAS Registry Number.

70958-09-7Relevant articles and documents

Synthesis of 5-Arylpyrrole-2-carboxylic Acids as Key Intermediates for NBD Series HIV-1 Entry Inhibitors

Belov, Dmitry S.,Ivanov, Vladimir N.,Curreli, Francesca,Kurkin, Alexander V.,Altieri, Andrea,Debnath, Asim K.

, p. 3692 - 3699 (2017/08/15)

5-Arylpyrrole-2-carboxylic acids are important key intermediates in the synthesis of HIV-1 entry inhibitors (such as NBD-11021 and NBD-14010). Here we present a general method for the synthesis of some 5-arylpyrrole-2-carboxylic acids in three steps starting from pyrrole. By this method, the compounds could be prepared on gram scale and without chromatographic purification.

PYRROLES FROM KETOXIMES AND ACETYLENE. 38. NEW REPRESENTATIVES OF TRIFLUOROACETYLPYRROLES. SYNTHESIS AND TRANSFORMATIONS

Korostova, S. E.,Mikhaleva, A. I.,Sobenina, L. N.,Shevchenko, S. G.,Sigalov, M. V.,et al.

, p. 39 - 43 (2007/10/02)

A series of previously unknown trifluoroacetyl derivatives of pyrroles were obtained with high yields by the reaction of pyrroles, including N-vinyl-substituted pyrroles, with trifluoroacetic anhydride in the presence of pyridine at room temperature.The s

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