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100725-70-0

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100725-70-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 100725-70-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,7,2 and 5 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 100725-70:
(8*1)+(7*0)+(6*0)+(5*7)+(4*2)+(3*5)+(2*7)+(1*0)=80
80 % 10 = 0
So 100725-70-0 is a valid CAS Registry Number.

100725-70-0Relevant articles and documents

Application of organolithium and related reagents in synthesis. Part XI. Metallation of 2-methyl- and 4-methylnicotinic acids. A useful method for preparation of aza-isocoumarins

Epsztajn,Plotka,Scianowski

, p. 1239 - 1247 (1992)

The metallation (LDA/THF) of 2-methyl- and 4-methylnicotinic acids (1) and (2), and the subsequent reaction of the lithiated species (3) and (4) with carbonyl electrophiles as a synthetic route of 5-aza- and 7-aza-isocoumarins (7), (8), (9) and (10), is d

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