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94613-37-3

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94613-37-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 94613-37-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,6,1 and 3 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 94613-37:
(7*9)+(6*4)+(5*6)+(4*1)+(3*3)+(2*3)+(1*7)=143
143 % 10 = 3
So 94613-37-3 is a valid CAS Registry Number.

94613-37-3Downstream Products

94613-37-3Relevant articles and documents

The Synthesis od 1H-Benzimidazole Derivatives Containing a 9H-Xanthene or 9H-Thioxanthene Ring

Okabayashi, Ichizo,Fujiwara, Hidetoshi

, p. 1401 - 1402 (2007/10/02)

2-(9H-Xanthen-9-ylmethyl)-1H-benzimidazole (2a) was prepared by condensing 9H-xanthene-9-acetic acid (1a) with 1,2-benzenediamine.Similarly, 2-(9H-thioxanthen-9-ylmethyl)-1H-benzimidazole (2b) and its S,S-dioxide (2d) were obtained.Compound 2d was also prepared by oxidizing 2b with hydrogen peroxide in acetic acid.Heating of 9H-thioxanthene-9-acetic acid 10-oxide (1c) with 1,2-benzenediamine gave 9-methylene-9H-thioxanthene (3). 2-(9H-Thioxanthen-9-ylmethyl)-1H-benzimidazole S-oxide (2c) was obtained by oxidizing 2b with m-chloroperbenzoic acid in acetone.

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