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156817-68-4

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156817-68-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 156817-68-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,8,1 and 7 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 156817-68:
(8*1)+(7*5)+(6*6)+(5*8)+(4*1)+(3*7)+(2*6)+(1*8)=164
164 % 10 = 4
So 156817-68-4 is a valid CAS Registry Number.

156817-68-4Relevant articles and documents

Condensation of Lactams with 2-Aminoacetylaldehyde Diethyl Acetal. A One-Pot Synthesis of Bicyclic Imidazoles

Hua, Duy H.,Zhang, Fengqi,Chen, Jinshan,Robinson, Paul D.

, p. 5084 - 5087 (1994)

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Bisheterocycle substituted oxa-spiro derivative, and preparation method and medical application thereof

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, (2020/09/23)

The invention relates to a bisheterocyclic substituted oxa-spiro derivative, and a preparation method and medical application thereof. Specifically, the invention discloses compounds of formula (I) and formula (II) or pharmaceutically acceptable salts, stereoisomers or solvates thereof, and a preparation method and application thereof. Each group in the formulas is as defined in the specificationand claims in detail.

COMPOUND, COMPOSITIONS, AND METHODS

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, (2017/08/01)

Compounds having activity as LRRK2 inhibitors are disclosed. The compounds are of formula (I) including stereoisomers, tautomers, pharmaceutically acceptable salts and prodrugs thereof. Methods associated with preparation and use of such compounds, as well as pharmaceutical compositions comprising such compounds, are also disclosed.

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