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627100-58-7

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627100-58-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 627100-58-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,2,7,1,0 and 0 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 627100-58:
(8*6)+(7*2)+(6*7)+(5*1)+(4*0)+(3*0)+(2*5)+(1*8)=127
127 % 10 = 7
So 627100-58-7 is a valid CAS Registry Number.

627100-58-7Downstream Products

627100-58-7Relevant articles and documents

Synthesis of 4-sulfanylcoumarins using thiourea and alkyl halides as the sulfanylation agent in polyethylene glycol-water

Yin, Zhenlan,Wang, Yu,Yang, Qin,Wang, Ying,Xu, Jingshi,Deng, Zhihong,Peng, Yiyuan

, p. 759 - 766 (2013)

A novel and efficient route for the synthesis of 4-sulfanylcoumarins is disclosed. The direct sulfanylation of 4-tosyloxycoumarins with thiourea and various alkyl halides in polyethylene glycol 200-water (PEG 200-H2O), at room temperature under an air atmosphere, affords the corresponding 4-sulfanylcoumarins in moderate to excellent yields. This transformation shows good substrate scope and takes place in a green solvent. Georg Thieme Verlag Stuttgart · New York.

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