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1361254-18-3

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1361254-18-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1361254-18-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,6,1,2,5 and 4 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1361254-18:
(9*1)+(8*3)+(7*6)+(6*1)+(5*2)+(4*5)+(3*4)+(2*1)+(1*8)=133
133 % 10 = 3
So 1361254-18-3 is a valid CAS Registry Number.

1361254-18-3Relevant articles and documents

Cu-Promoted [2 + 2] cycloaddition of 1,4-bisallenes

Kitagaki, Shinji,Kajita, Mikihito,Narita, Syu,Mukai, Chisato

, p. 1366 - 1369 (2012/05/20)

The thermal reaction of 1,4-bisallenes with the aid of Cu salt/amine significantly suppressed the formal [3,3] sigmatropic rearrangement resulting in the highly selective formation of the bicyclo[4.2.0]octadiene framework. This reaction could be applied to the one-pot synthesis of bicyclo[4.2.0]octadienes from 1,5-hexadiynes via the Crabbe homologation.

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