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189105-49-5

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189105-49-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 189105-49-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,1,0 and 5 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 189105-49:
(8*1)+(7*8)+(6*9)+(5*1)+(4*0)+(3*5)+(2*4)+(1*9)=155
155 % 10 = 5
So 189105-49-5 is a valid CAS Registry Number.

189105-49-5Relevant academic research and scientific papers

Synthetic Study of Kedarcidin Chromophore: Advanced Models and Their Chemical Behavior

Kawata, Shinji,Yoshimura, Fumihiko,Irie, Jun,Ehara, Hitoshi,Hirama, Masahiro

, p. 250 - 252 (2007/10/03)

The stereocontrolled synthesis of the appropriately functionalized ent-8,9-epoxybicyclo-[7.3.0]dodecadienediyne core 14 of kedarcidin chromophore 1 was achieved.

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