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77086-12-5

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77086-12-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77086-12-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,0,8 and 6 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 77086-12:
(7*7)+(6*7)+(5*0)+(4*8)+(3*6)+(2*1)+(1*2)=145
145 % 10 = 5
So 77086-12-5 is a valid CAS Registry Number.

77086-12-5Relevant articles and documents

2,2'-PHENYLENEBIS(3-METHYL-3-PYRAZOLIN-5-ONES), A NEW CLASS OF BIS(3-PYRAZOLIN-5-ONES)

Venturello, Carlo,D'Aloisio, Rino

, p. 419 - 422 (2007/10/02)

Two convenient one-stage procedures for preparing a new class of bis(3-pyrazolin-5-ones), 6, from bis-diazonium salts, 5, and 2,5-dimethyl-3(2H)-furanone, 2, are described.Some aspects of the reaction mechanism and the special activity of 2 as coupling component are discussed.

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