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84658-09-3

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84658-09-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 84658-09-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,6,5 and 8 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 84658-09:
(7*8)+(6*4)+(5*6)+(4*5)+(3*8)+(2*0)+(1*9)=163
163 % 10 = 3
So 84658-09-3 is a valid CAS Registry Number.

84658-09-3Relevant articles and documents

On the Necessity of Nucleobase Protection for 2-Thiouracil for Fmoc-Based Pseudo-Complementary Peptide Nucleic Acid Oligomer Synthesis

Hudson, Robert H.E.,Heidari, Ali,Martin-Chan, Timothy,Park, Gyeongsu,Wisner, James A.

, p. 13252 - 13261 (2019/11/16)

A selection of benzyl-based protecting groups for thiouracil (SU) for the synthesis of pseudo-complementary peptide nucleic acid (PNA) has been evaluated. The 4-methoxybenzyl-protecting group that has found use for SU during Boc-based oligomerization is also suitable for Fmoc-based oligomerization. Furthermore, it is demonstrated that SU protection is unnecessary for the successful synthesis of thiouracil-containing PNA. The new 2-thiothymine (ST) PNA monomer has also been prepared and incorporated into an oligomer and its binding to complementary PNA evaluated.

TETRAHYDROISOQUINOLINE COMPOUND

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Page/Page column 77, (2010/01/29)

The present invention relates a specific tetrahydroisoquinoline compound which is useful as a chemokine receptor type 3 (CCR3) antagonist, and a pharmaceutical composition comprising the same as an active ingredient. The tetrahydroisoquinoline compound of the present invention is useful for the treatment or prevention of a disease in which CCR3 participates.

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