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1421763-13-4

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1421763-13-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1421763-13-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,1,7,6 and 3 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1421763-13:
(9*1)+(8*4)+(7*2)+(6*1)+(5*7)+(4*6)+(3*3)+(2*1)+(1*3)=134
134 % 10 = 4
So 1421763-13-4 is a valid CAS Registry Number.

1421763-13-4Relevant articles and documents

Selective inhibition of extracellular thioredoxin by asymmetric disulfides

Diraimondo, Thomas R.,Plugis, Nicholas M.,Jin, Xi,Khosla, Chaitan

, p. 1301 - 1310 (2013)

Whereas the role of mammalian thioredoxin (Trx) as an intracellular protein cofactor is widely appreciated, its function in the extracellular environment is not well-understood. Only few extracellular targets of Trx-mediated thiol-disulfide exchange are known. For example, Trx activates extracellular transglutaminase 2 (TG2) via reduction of an intramolecular disulfide bond. Because hyperactive TG2 is thought to play a role in various diseases, understanding the biological role of extracellular Trx may provide critical insight into the pathogenesis of these disorders. Starting from a clinical-stage asymmetric disulfide lead, we have identified analogs with >100-fold specificity for Trx. Structure-activity relationship and computational docking model analyses have provided insights into the features important for enhancing potency and specificity. The most active compound identified had an IC 50 below 0.1 μM in cell culture and may be appropriate for in vivo use to interrogate the role of extracellular Trx in health and disease.

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