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1196980-30-9

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1196980-30-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1196980-30-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,9,6,9,8 and 0 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1196980-30:
(9*1)+(8*1)+(7*9)+(6*6)+(5*9)+(4*8)+(3*0)+(2*3)+(1*0)=199
199 % 10 = 9
So 1196980-30-9 is a valid CAS Registry Number.

1196980-30-9Relevant articles and documents

Enantioselective syntheses of α-Fmoc-Pbf-[2-13C]-L- arginine and Fmoc-[1,3-13C2]-L-proline and incorporation into the neurotensin receptor 1 ligand, NT8-13

Song, Chuanjun,Tapaneeyakorn, Satita,Murphy, Annabel C.,Butts, Craig,Watts, Anthony,Willis, Christine L.

experimental part, p. 8980 - 8987 (2010/03/02)

(Chemical Equation Presented) Enantioselective syntheses of selectively labeled, orthogonally protected [2-13C]-L-arginine and [1,3- 13C2]-L-proline are described from the commercially available precursors [2-13C]bromoacetic acid and potassium [ 13C]cyanide. Interestingly the enhanced signal assigned to C-2 in the 13C NMR spectrum of α-Fmoc-Pbf-[2-13C]-L-arginine was very broad at room temperature. The two Fmoc-labeled amino acids were used to prepare [2-13C]-Arg9 and [1,3-13C2]-Pro10 labeled ligand (NT8-13) by manual Fmoc-SPSS.

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