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87742-31-2

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87742-31-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87742-31-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,7,4 and 2 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 87742-31:
(7*8)+(6*7)+(5*7)+(4*4)+(3*2)+(2*3)+(1*1)=162
162 % 10 = 2
So 87742-31-2 is a valid CAS Registry Number.

87742-31-2Relevant articles and documents

Metal-free TEMPO-catalyzed oxidative C-C bond formation from Csp 3-H bonds using molecular oxygen as the oxidant

Zhang, Bo,Cui, Yuxin,Jiao, Ning

, p. 4498 - 4500 (2012/06/01)

An efficient TEMPO-catalyzed oxidative C-C bond formation with two Csp 3-H bonds using molecular oxygen as the oxidant has been developed. The novel transformation provides a new strategy for the TEMPO-O2 catalysis to construct C-C bonds. The advantages of this method include: (1) relatively mild and neutral conditions; (2) simplicity and safety of operation; (3) a stoichiometric amount of dangerous oxidants, any transition metals, additives, even solvent, is not required.

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