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154640-63-8

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154640-63-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 154640-63-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,4,6,4 and 0 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 154640-63:
(8*1)+(7*5)+(6*4)+(5*6)+(4*4)+(3*0)+(2*6)+(1*3)=128
128 % 10 = 8
So 154640-63-8 is a valid CAS Registry Number.

154640-63-8Downstream Products

154640-63-8Relevant articles and documents

REACTIONS WITH SULFOLENES II. "CRISS-CROSS' ADDITION OF ALDAZINES: SYNTHESIS OF SEVERAL NEW ANNELATED PYRAZOLOPYRAZOLE DERIVATIVES

Ghabrial, Sami S.

, p. 17 - 22 (2007/10/02)

New annelated pyrazolopyrazole derivatives were synthesised via the reaction of aryl aldazines with sulfolene and treatment of the resultant products with different reagents.Structures were established using elemental analysis and spectral data. Key words: Aldazines; sulfolene; criss-cross cycloaddition; pyrazoles; bis-thiazolopyrazoles.

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