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37723-96-9

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37723-96-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 37723-96-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,7,7,2 and 3 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 37723-96:
(7*3)+(6*7)+(5*7)+(4*2)+(3*3)+(2*9)+(1*6)=139
139 % 10 = 9
So 37723-96-9 is a valid CAS Registry Number.

37723-96-9Downstream Products

37723-96-9Relevant articles and documents

ACID-BASE PROPERTIES OF 1,3-DIPHENYL-5-(1H-TETRAZOL-2-YL)FORMAZAN AND 1,3-DIPHENYL-5-(2H-1,2,4-TRIAZOL-3-YL)FORMAZAN

Likhareva, Nadezhda,Sucha, Ladislav,Suchanek, Miloslav

, p. 2882 - 2889 (2007/10/02)

Two new compounds from the formazan series, viz. 1,3-diphenyl-5-(1H-tetrazol-2-yl)formazan and 1,3-diphenyl-5-(2H-1,2,4-triazol-3-yl)formazan, were prepared, and the dissociation constants and molar absorptivities of all of their acid-base species were determined spectrophotometrically employing the SPEKTFOT computer program.

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