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258822-89-8

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258822-89-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 258822-89-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,8,8,2 and 2 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 258822-89:
(8*2)+(7*5)+(6*8)+(5*8)+(4*2)+(3*2)+(2*8)+(1*9)=178
178 % 10 = 8
So 258822-89-8 is a valid CAS Registry Number.

258822-89-8Relevant articles and documents

A new sulfenylation reagent, 3-phenylsulfenyl-2-(N- cyanoimino)thiazolidine, and its optically active version

Tanaka,Azuma,Fang,Uchida,Iwata,Ishida,In,Maezaki

, p. 33 - 36 (2007/10/03)

We have developed a new sulfenylation reagent, 3-phenylsulfenyl-2-(N- cyanoimino)thiazolidine 3, that is readily available and stable upon storage. Compound 3 easily reacts with amines or thiols to give the corresponding sulfenamides or asymmetrical disulfides in excellent yields. It was also found that the α-sulfenylation reaction of carbonyl compounds with 3 proceeds smoothly. Furthermore, optically active 4-diphenylmethyl derivative 4 was synthesized as an asymmetric sulfenylation reagent, which realized 96% e.e. upon α-sulfenylation of a cyclic β-keto ester.

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