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402519-07-7

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402519-07-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 402519-07-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,2,5,1 and 9 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 402519-07:
(8*4)+(7*0)+(6*2)+(5*5)+(4*1)+(3*9)+(2*0)+(1*7)=107
107 % 10 = 7
So 402519-07-7 is a valid CAS Registry Number.

402519-07-7Relevant articles and documents

5-[N-(1H-benzotriazol-1-ylmethyl)-amino]-3-tert-butyl-1-phenylpyrazole: Sheets built from N-H...N, C-H...N and C-H...π(pyrazole) interactions

Glidewell, Christopher,Low, John N.,Cobo, Justo,Nogueras, Manuel,Sanchez, Adolfo,Rengifo, Emerson,Abonia, Rodrigo

, p. o314-o317 (2002)

In the title compound, C20H22N6, the molecules are linked into a chain of rings by N-H...N [H...N 2.16 A, N...N 2.950 (3) A and N-H...N 149°] and C-H...N [H...N 2.55 A, C...N 3.481 (3) A and C-H...N 165°] hydrogen bonds, and these chains are linked into sheets by means of C-H...π(pyrazole) interactions.

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