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39504-13-7

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39504-13-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 39504-13-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,5,0 and 4 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 39504-13:
(7*3)+(6*9)+(5*5)+(4*0)+(3*4)+(2*1)+(1*3)=117
117 % 10 = 7
So 39504-13-7 is a valid CAS Registry Number.

39504-13-7Relevant articles and documents

Tetrabutylammonium fluoride: A powerful catalyst for the regioselective opening of epoxides with thiols

Albanese,Landini,Penso

, p. 34 - 36 (2007/10/02)

Tetrabutylammonium fluoride (1) catalyses under mild conditions the opening of epoxides 2a-k with thiols 3-6 to produce the corresponding β-hydroxy thioethers 7-11 in excellent yields (88-100%) and with high regioselectivity. Furthermore, O-protected glyc

Regioselective Reaction of Oxiranes with S-Phenyl Thioesters Catalyzed by Quaternary Onium Salts or Crown Ether-Metal Salt Complexes

Iizawa, Takashi,Goto, Akira,Nishikubo, Tadatomi

, p. 597 - 598 (2007/10/02)

Regioselective addition reactions of 2-substituted oxiranes with S-phenyl thioesters gave 2-aceyloxy-1-phenylthio derivatives in high yield using some 18-crown-6-metal complexes as well as tetrabutylammonium salts as a catalyst under relatively mild condi

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