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51908-31-7

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51908-31-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 51908-31-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,9,0 and 8 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 51908-31:
(7*5)+(6*1)+(5*9)+(4*0)+(3*8)+(2*3)+(1*1)=117
117 % 10 = 7
So 51908-31-7 is a valid CAS Registry Number.

51908-31-7Downstream Products

51908-31-7Relevant articles and documents

Synthesis of thiocarbamoyl fluorides and isothiocyanates using CF3SiMe3 and elemental sulfur or AgSCF3 and KBr with amines

Zhen, Long,Fan, Hui,Wang, Xiaoji,Jiang, Liqin

, p. 2106 - 2110 (2019)

Reactions of thiocarbonyl fluoride derived from cheap, readily available, and widely used CF3SiMe3, elemental sulfur, and KF with secondary amines and primary amines at room temperature in THF provided a wide variety of thiocarbamoyl fluorides and isothiocyanates in moderate to excellent yields, respectively. The two reactions show broad substrate scope and good functional group tolerance. Moreover, AgSCF3 reacts with secondary/primary amines under KBr at room temperature, affording quantitative thiocarbamoyl fluorides/isothiocyanates, which feature late-stage application.

N substituted 4 isothiocyanatophenylsulfonamides

Uher,Floch,Jendrichovsky

, p. 182 - 184 (2007/10/08)

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