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147974-40-1

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147974-40-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 147974-40-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,7,9,7 and 4 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 147974-40:
(8*1)+(7*4)+(6*7)+(5*9)+(4*7)+(3*4)+(2*4)+(1*0)=171
171 % 10 = 1
So 147974-40-1 is a valid CAS Registry Number.

147974-40-1Downstream Products

147974-40-1Relevant academic research and scientific papers

2,2,2-Tribromonaphtho[2,3-d]-1,3,2-dioxaphosphole: Obtaining and reaction with phenylacetylene

Bogdanov,Mironov,Buzykin,Dobrynin,Krivolapov,Konovalov

, p. 650 - 651 (2008)

The reaction of 2,3-dihydroxynaphthalene with phosphorus tribromide followed by bromide treatment has been shown to lead to quantitative formation of the new 2,2,2 tribromonaphtho [2,3-d]-1,3,2-dioxaphosphole. Its interaction with phenylacetylene proceeds

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