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70584-30-4

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70584-30-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 70584-30-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,5,8 and 4 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 70584-30:
(7*7)+(6*0)+(5*5)+(4*8)+(3*4)+(2*3)+(1*0)=124
124 % 10 = 4
So 70584-30-4 is a valid CAS Registry Number.

70584-30-4Relevant articles and documents

Rhodium(III)-catalyzed Intermolecular Unactivated Secondary C(sp3)?H Bond Amidation Directed by 3,5-dimethylpyrazole

Wang, Yanwei,Liu, Hongxin,Li, Bin,Wang, Baiquan

, p. 1564 - 1569 (2019)

A Rh(III)-catalyzed intermolecular unactivated secondary C(sp3)?H bond amidation via nitrene insertion directed by 3,5-dimethylpyrazole is reported. This procedure tolerates a broad substrate scope including chain and cyclic N-alklyamides. Notably, the directing group 3,5-dimethylpyrazole of chain N-alkylamide substrates could be easily removed via cascade intermolecular amidation and intramolecular cyclization in one-pot affording the sulfonylureas by increasing the reaction temperature. (Figure presented.).

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