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129760-70-9

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129760-70-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 129760-70-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,7,6 and 0 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 129760-70:
(8*1)+(7*2)+(6*9)+(5*7)+(4*6)+(3*0)+(2*7)+(1*0)=149
149 % 10 = 9
So 129760-70-9 is a valid CAS Registry Number.

129760-70-9Downstream Products

129760-70-9Relevant articles and documents

Cine substitution in fused chlorocyclobutanones by N, S and C nucleophiles. Oxyallyl cations and an unusual dimer formation

Hassner,Naidorf-Meir,Gottlieb

, p. 2181 - 2184 (2007/10/02)

Chlorocyclobutanone 1 was shown for the first time to react with S-, N-, and C-nucleophiles to produce cine substitution products, which apparently arise via an oxyallyl cation species 2. With some nucleophiles, the cine product is accompanied by an unusual dimer involving bond formation between two tertiary carbons.

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