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171670-26-1

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171670-26-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 171670-26-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,1,6,7 and 0 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 171670-26:
(8*1)+(7*7)+(6*1)+(5*6)+(4*7)+(3*0)+(2*2)+(1*6)=131
131 % 10 = 1
So 171670-26-1 is a valid CAS Registry Number.

171670-26-1Downstream Products

171670-26-1Relevant articles and documents

Polymer supported magnesium anthracene: application in the synthesis of benzylic Grignard reagents

Ancker, Tania R. van den,Harvey, Steven,Raston, Colin L.

, p. 35 - 46 (1995)

Reactions of polystyrene supported magnesium anthracene containing radical anion and dianion sites, 7,7', with benzylic chlorides or bromides, affords Grignard reagents, RMgX, in modest to high yields, in THF at -10 deg C to 20 deg C.Novel benzylic-type Grignard reagents prepared in high yield include those of 2,6-(dichloromethyl)pyridine, 2,6-(dibromomethyl)pyridine, 2,2',2"-trispyridylmethylchloride, 2-methoxy-3-methyl-1-benzylchloride, 2,4-dimethoxy-5-methyl-1-benzylchloride, 3,5-dimethoxy-4-methyl-1-benzylchloride, 2,4,6-trimethoxy-3-methyl-1-benzylchloride, and 2,5-dimethoxybenzylchloride.Selected allylic halides similarly yield Grignard reagents.Keywords: Polymer; Magnesium; Anthracene; Grignard Reagent; Benzylic halide; Styrene

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