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51237-38-8

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51237-38-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 51237-38-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,2,3 and 7 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 51237-38:
(7*5)+(6*1)+(5*2)+(4*3)+(3*7)+(2*3)+(1*8)=98
98 % 10 = 8
So 51237-38-8 is a valid CAS Registry Number.

51237-38-8Relevant articles and documents

Synthesis of 2,3-dihydrobenzo[b]thiophen-3-amine 1,1-dioxide derivatives via lda-mediated cyclization of o-(alkylsulfonyl)benzyl azides with denitrogenation

Kobayashi, Kazuhiro,Chikazawa, Yuuki,Nogi, Takashi

, p. 1678 - 1692 (2017/09/20)

A new and efficient method for the synthesis of 2,3-dihydrobenzo[b]thiophen-3-amine 1,1-dioxide derivatives has been developed. Thus, treatment of o-(alkylsulfonyl)benzyl azides, which are readily obtainable from commercially available starting materials

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