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414901-40-9

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414901-40-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 414901-40-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,1,4,9,0 and 1 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 414901-40:
(8*4)+(7*1)+(6*4)+(5*9)+(4*0)+(3*1)+(2*4)+(1*0)=119
119 % 10 = 9
So 414901-40-9 is a valid CAS Registry Number.

414901-40-9Downstream Products

414901-40-9Relevant academic research and scientific papers

CuI-catalyzed synthesis of functionalized terminal allenes from 1-alkynes

Luo, Hongwen,Ma, Shengming

, p. 3041 - 3048 (2013)

Relative to our original protocol that uses CuI (0.5 equiv.), paraformaldehyde (2.5 equiv.), and dicyclohexylamine (1.8 equiv.), a facile and efficient protocol for the gram-scale synthesis of functionalized terminal allenes by using CuI (7.5-10 mol-%), p

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