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1307901-42-3

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1307901-42-3

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1307901-42-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1307901-42-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,0,7,9,0 and 1 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1307901-42:
(9*1)+(8*3)+(7*0)+(6*7)+(5*9)+(4*0)+(3*1)+(2*4)+(1*2)=133
133 % 10 = 3
So 1307901-42-3 is a valid CAS Registry Number.

1307901-42-3Upstream product

1307901-42-3Downstream Products

1307901-42-3Relevant articles and documents

Zinc-mediated enantioselective addition of terminal 1,3-diynes to N-arylimines of trifluoropyruvates

Zhang, Fa-Guang,Ma, Hai,Zheng, Yan,Ma, Jun-An

, p. 7663 - 7669 (2012)

A facile and effective enantioselective addition of terminal 1,3-diynes to acyclic α-CF3 ketimine esters has been developed by using zinc/Binol complexes. The reaction works well with a variety of aromatic-, aliphatic- and silyl-substituted diynes, providing the desired products in up to 97% yield and 97% enantiomeric excess.

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