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1173918-61-0

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1173918-61-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1173918-61-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,3,9,1 and 8 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1173918-61:
(9*1)+(8*1)+(7*7)+(6*3)+(5*9)+(4*1)+(3*8)+(2*6)+(1*1)=170
170 % 10 = 0
So 1173918-61-0 is a valid CAS Registry Number.

1173918-61-0Relevant articles and documents

Sonogashira and "click" reactions for the N-terminal and side-chain functionalization of peptides with [Mn(CO)3(tpm)] +-based CO releasing molecules (tpm = tris(pyrazolyl)methane)

Pfeiffer, Hendrik,Rojas, Alfonso,Niesel, Johanna,Schatzschneider, Ulrich

, p. 4292 - 4298 (2009)

A recently identified photoactivatable CO releasing molecule (CORM) based on [Mn(CO)3(tpm)]+ was conjugated to functionalized amino acids and model peptides using the Pd-catalyzed Sonogashira cross-coupling and the alkyne-azide 1,3-dipolar cycloaddition ("Click reaction"). Both were found to be fully compatible with all functional groups present. The CORM-peptide conjugates were isolated in reasonable yield and high purity, as indicated by IR spectroscopy, ESI mass spectrometry and RP-HPLC. The myoglobin assay was used to demonstrate that they have CO release properties identical those of the parent compound. This work thus opens the way for a targeted delivery of CORMs to cellular systems.

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