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1556859-13-2

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1556859-13-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1556859-13-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,5,6,8,5 and 9 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1556859-13:
(9*1)+(8*5)+(7*5)+(6*6)+(5*8)+(4*5)+(3*9)+(2*1)+(1*3)=212
212 % 10 = 2
So 1556859-13-2 is a valid CAS Registry Number.

1556859-13-2Relevant articles and documents

Rational hopping of a peptidic scaffold into non-peptidic scaffolds: Structurally novel potent proteasome inhibitors derived from a natural product, belactosin A

Kawamura, Shuhei,Unno, Yuka,Hirokawa, Takatsugu,Asai, Akira,Arisawa, Mitsuhiro,Shuto, Satoshi

supporting information, p. 2445 - 2447 (2014/03/21)

Rational scaffold hopping of a natural product belactosin A derivative was successfully achieved based on the pharmacophore model constructed. The peptidic scaffold was replaced by significantly simplified non-peptidic scaffolds, by which weak belactosin A (IC50 = 1440 nM) was converted into highly potent non-peptidic inhibitors (IC50 = 26-393 nM).

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