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183270-58-8

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183270-58-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 183270-58-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,3,2,7 and 0 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 183270-58:
(8*1)+(7*8)+(6*3)+(5*2)+(4*7)+(3*0)+(2*5)+(1*8)=138
138 % 10 = 8
So 183270-58-8 is a valid CAS Registry Number.

183270-58-8Relevant articles and documents

A convenient synthesis of propargylic dithioacetals

Huang, Li-Fu,Lee, Chin-Fa,Tseng, Jui-Chang,Luh, Tien-Yau

, p. 3173 - 3175 (2006)

Treatment of trimethylsilyl-substituted alkynyl ketones with 1,2-ethanedithiol in the presence of BF3·OEt2 in methanol afforded the corresponding dithioacetal. Removal of the silyl group under basic conditions followed by palladium-catalyzed coupling reactions with aryl iodides yielded the corresponding propargylic dithioacetals in excellent yield. Georg Thieme Verlag Stuttgart.

One-pot synthesis of substituted furans and pyrroles from propargylic dithioacetals. New annulation route to highly photoluminescent oligoaryls [7]

Lee,Yang,Hwu,Feng,Tseng,Luh

, p. 4992 - 4993 (2007/10/03)

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