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1--4-(trimethylsilyl)-1,3-butadiyne is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

164471-65-2

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164471-65-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 164471-65-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,4,4,7 and 1 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 164471-65:
(8*1)+(7*6)+(6*4)+(5*4)+(4*7)+(3*1)+(2*6)+(1*5)=142
142 % 10 = 2
So 164471-65-2 is a valid CAS Registry Number.

164471-65-2Downstream Products

164471-65-2Relevant academic research and scientific papers

Synthesis of Isocoumarins from o-Iodobenzoic Acid and Terminal Acetylenes Mediated by Palladium Complexes and Zinc Chloride

Liao, Hong-Yueh,Cheng, Chien-Hong

, p. 3711 - 3716 (1995)

o-Iodobenzoic acid (1) reacts with various terminal acetylenes (HCCR) in the presence of Pd(PPh3)4, Et3N, and ZnCl2 in DMF to give the corresponding 3-substituted isocoumarins (: R = n-C4H9 (2a); n-C3H7 (3a); CH2OCH3 (4a); C(CH3)2OH (5a); CH2OH (

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