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1219703-97-5

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1219703-97-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1219703-97-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,9,7,0 and 3 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1219703-97:
(9*1)+(8*2)+(7*1)+(6*9)+(5*7)+(4*0)+(3*3)+(2*9)+(1*7)=155
155 % 10 = 5
So 1219703-97-5 is a valid CAS Registry Number.

1219703-97-5Downstream Products

1219703-97-5Relevant academic research and scientific papers

Rhodium-Catalyzed [4+2+1] Cycloaddition of In Situ Generated Ene/Yne-Ene-Allenes and CO

Tian, Zi-You,Cui, Qi,Liu, Cheng-Hang,Yu, Zhi-Xiang

, (2018)

Reported herein is the first rhodium-catalyzed [4+2+1] cycloaddition of in situ generated ene/yne-ene-allenes and CO to synthesize challenging seven-membered carbocycles fused with five-membered rings. This reaction is designed based on the 1,3-acyloxy mi

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