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20614-48-6

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20614-48-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 20614-48-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,6,1 and 4 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 20614-48:
(7*2)+(6*0)+(5*6)+(4*1)+(3*4)+(2*4)+(1*8)=76
76 % 10 = 6
So 20614-48-6 is a valid CAS Registry Number.

20614-48-6Downstream Products

20614-48-6Relevant articles and documents

Comparison of the reaction of benzylammonium N-methylides with that of benzylsulfonium S-methylides

Nishimura, Tomofumi,Zhang, Chen,Maeda, Yasuhiro,Shirai, Naohiro,Ikeda, Shin-ichi,Sato, Yoshiro

, p. 267 - 272 (1999)

Allylbenzylsulfonium S-methylides 8S and dibenzylsulfonium S-methylides 18S have been generated by the fluoride ion-induced desilylation of S- benzyl-S-[(trimethylsilyl)methyl](alk-2-enyl)sulfonium salts 4S and S- benzyl-S-[(trimethylsilyl)methyl](4-substituted benzyl)sulfonium salts 7S, and the isomerized products are compared with those of the corresponding N- methylides. S-Methylides 8S selectively rearrange toward the allyl groups (path a in Chart 2), whereas rearrangement to the benzyl groups (path b) competitively occurs in N-methylides 8N. Isomerization of S-methylides 18S to S-benzylides 19S and 20S competes with sigmatropic rearrangement to the benzyl groups (paths a and b in Chart 3), whereas the isomerization of N- methylides 18N is not observed.

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