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120221-68-3

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120221-68-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 120221-68-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,2,2 and 1 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 120221-68:
(8*1)+(7*2)+(6*0)+(5*2)+(4*2)+(3*1)+(2*6)+(1*8)=63
63 % 10 = 3
So 120221-68-3 is a valid CAS Registry Number.

120221-68-3Downstream Products

120221-68-3Relevant articles and documents

Efficient Preparation of Imidazo[1,5- a ]pyridine-1-carboxylic Acids

Tverdiy, Dmytro O.,Chekanov, Maksym O.,Savitskiy, Pavlo V.,Syniugin, Anatolii R.,Yarmoliuk, Sergiy M.,Fokin, Andrey A.

, p. 4269 - 4277 (2016)

We report a novel and efficient approach to the synthesis of imidazo[1,5-a]pyridine-1-carboxylic acids. By using the reaction of 2-(aminomethyl)pyridine with acyl chlorides followed by one-pot treatment with trifluoroacetic anhydride, 2,2,2-trifluoro-1-im

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