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1416983-00-0

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1416983-00-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1416983-00-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,1,6,9,8 and 3 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1416983-00:
(9*1)+(8*4)+(7*1)+(6*6)+(5*9)+(4*8)+(3*3)+(2*0)+(1*0)=170
170 % 10 = 0
So 1416983-00-0 is a valid CAS Registry Number.

1416983-00-0Upstream product

1416983-00-0Downstream Products

1416983-00-0Relevant articles and documents

Catalytic nazarov reaction of aryl vinyl ketones via binary acid strategy

Xi, Zhi-Guo,Zhu, Lihui,Luo, Sanzhong,Cheng, Jin-Pei

, p. 606 - 613 (2013)

We describe herein a viable binary acid strategy for the catalytic Nazarov reaction of aryl vinyl ketones. Simply combining a Lewis acid and a Bronsted acid led to a dramatic enhancement of the catalytic activity in the Nazarov reaction of aryl vinyl β-ketoesters. The obtained optimal binary acid catalyst In(OTf)3/diphenyl phosphoric acid (DPP) can be applied to a range of aryl vinyl ketones with good activity. A trend of reactivity has also been summarized on the basis of mapping of the substituents.

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