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1242161-32-5

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1242161-32-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1242161-32-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,2,1,6 and 1 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1242161-32:
(9*1)+(8*2)+(7*4)+(6*2)+(5*1)+(4*6)+(3*1)+(2*3)+(1*2)=105
105 % 10 = 5
So 1242161-32-5 is a valid CAS Registry Number.

1242161-32-5Relevant articles and documents

Br?nsted Acid-Catalyzed Aza-Ferrier Reaction of N, O-Allenyl Acetals: Synthesis of β-Amino-α-methylene Aldehydes

Tayama, Eiji,Ishikawa, Yuki

, p. 9405 - 9414 (2020)

A Tf2NH-catalyzed aza-Ferrier reaction of N,O-allenyl acetals was reported. This protocol provided various types of β-amino-α-methylene aldehydes as the products. The N,O-allenyl acetal substrates were easily prepared by base-induced isomerization of N,O-propargyl acetals with Triton B. The N,O-propargyl acetals were prepared from the corresponding aldehydes or lactams. Further synthetic applications of the products were also described.

Batrachotoxin Analogues, Compositions, Uses, and Preparation Thereof

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Paragraph 0209; 0222-0223, (2014/06/25)

Compounds relating to batrachotoxin are provided, in particular analogues that modulate the activity of sodium channels. Also provided are pharmaceutical compositions comprising compounds of the invention and a pharmaceutically acceptable carrier, includi

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