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156834-15-0

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156834-15-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 156834-15-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,8,3 and 4 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 156834-15:
(8*1)+(7*5)+(6*6)+(5*8)+(4*3)+(3*4)+(2*1)+(1*5)=150
150 % 10 = 0
So 156834-15-0 is a valid CAS Registry Number.

156834-15-0Relevant articles and documents

64. Stable Quinone Methides: Regioselective para-Oxidation of a 2,4-Bisphenol and Addition Reactions to Quinonemethides

Meier, Hansrudolf,Kuenzi, Hanspeter,Fuhrer, Hermann,Rist, Guenther

, p. 655 - 660 (2007/10/02)

The 2,4-bis-functionalized phenol 1 is dehydrogenated regioselectivity with potassium ferricyanide, affording the corresponding p-quinonemethide 2.Hydrolysis of 2 affords a mixture of dithioacetal 5a and benzaldehyde 6; 1,6-addition of thiols to gives the

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