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3309-47-5

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3309-47-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3309-47-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,3,0 and 9 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 3309-47:
(6*3)+(5*3)+(4*0)+(3*9)+(2*4)+(1*7)=75
75 % 10 = 5
So 3309-47-5 is a valid CAS Registry Number.

3309-47-5Relevant articles and documents

BROAD SPECTRUM ANTIVIRALS AGAINST CORONAVIRUS

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Page/Page column 19; 22-23, (2021/10/11)

Compounds exhibiting antiviral activity and/or inhibition of viral replication against viruses, particularly those belonging to the picornavirus-like supercluster, including coronavirus having a formula: (I) where X comprises a cyclic moiety, R2/sub

Cyclohexyloxycarbonyl based orthogonal solid phase peptide synthesis in Boc chemistry

Mezo, Gabor,Mihala, Nikolett,Koczan, Gyoergy,Hudecz, Ferenc

, p. 6757 - 6766 (2007/10/03)

Application of N-cyclohexyloxocarbonyl (Choc) protection in Boc chemistry on solid phase provides a new possibility for the preparation of protected peptide fragments. A Choc/OcHex protection scheme allows also the assembly of cyclic lactam peptides linked to the resin through the C- terminus. Choc protection is stable under the 1M TMSOTf-thioanisole/TFA cleavage condition at 0°C, but it is removable by anhydrous HF. We have utilized cyclohexyloxycarbonyl as an orthogonal protecting group for the synthesis of a i) bicyclic epitope peptide of glycoprotein D of HSV 1 on BHA resin and ii) fully protected hexapeptide involved in protein transport on Merrifield resin.

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