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133010-16-9

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133010-16-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 133010-16-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,0,1 and 0 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 133010-16:
(8*1)+(7*3)+(6*3)+(5*0)+(4*1)+(3*0)+(2*1)+(1*6)=59
59 % 10 = 9
So 133010-16-9 is a valid CAS Registry Number.

133010-16-9Relevant articles and documents

Rapid and column-free syntheses of acyl fluorides and peptides usingex situgenerated thionyl fluoride

Lee, Cayo,Sammis, Glenn M.,Thomson, Brodie J.

, p. 188 - 194 (2021/12/31)

Thionyl fluoride (SOF2) was first isolated in 1896, but there have been less than 10 subsequent reports of its use as a reagent for organic synthesis. This is partly due to a lack of facile, lab-scale methods for its generation. Herein we report a novel protocol for theex situgeneration of SOF2and subsequent demonstration of its ability to access both aliphatic and aromatic acyl fluorides in 55-98% isolated yields under mild conditions and short reaction times. We further demonstrate its aptitude in amino acid couplings, with a one-pot, column-free strategy that affords the corresponding dipeptides in 65-97% isolated yields with minimal to no epimerization. The broad scope allows for a wide range of protecting groups and both natural and unnatural amino acids. Finally, we demonstrated that this new method can be used in sequential liquid phase peptide synthesis (LPPS) to afford tri-, tetra-, penta-, and decapeptides in 14-88% yields without the need for column chromatography. We also demonstrated that this new method is amenable to solid phase peptide synthesis (SPPS), affording di- and pentapeptides in 80-98% yields.

Synthesis of Boc- and Z-protected amino acid fluorides employing DAST as a fluorinating agent

Suresh Babu,Gopi,Ananda

, p. 384 - 386 (2007/10/03)

DAST [(diethylamino)sulphur trifluoride] has been used as a fluorinating agent for the synthesis of Boc- and Z-protected amino acid fluorides. All the compounds made have been isolated as crystalline solids in good yield and purity.

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