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91272-86-5

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91272-86-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91272-86-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,2,7 and 2 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 91272-86:
(7*9)+(6*1)+(5*2)+(4*7)+(3*2)+(2*8)+(1*6)=135
135 % 10 = 5
So 91272-86-5 is a valid CAS Registry Number.

91272-86-5Downstream Products

91272-86-5Relevant articles and documents

Hf(OTf)4-Catalyzed regioselective N -aminomethylation of indoles and related NH-containing heterocycles

Sakai, Norio,Shimamura, Kazuyori,Ikeda, Reiko,Konakahara, Takeo

supporting information; experimental part, p. 3923 - 3926 (2010/07/05)

Figure presented Under Lewis acidic conditions using Hf(OTf)4, the aminomethylation of an indole derivative with a typical N,O-acetal preferentially produced kinetically favored N-aminomethylated indole derivatives instead of thermodynamically favored 3-aminomethylated indoles.

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