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119204-20-5

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119204-20-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 119204-20-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,9,2,0 and 4 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 119204-20:
(8*1)+(7*1)+(6*9)+(5*2)+(4*0)+(3*4)+(2*2)+(1*0)=95
95 % 10 = 5
So 119204-20-5 is a valid CAS Registry Number.

119204-20-5Relevant articles and documents

CYCLOADDITION OF 2,3,4,5-TETRAHYDROPYRIDINE N-OXIDE TO ISOBUTYL VINYL ETHER AND ALLYL ALCOHOL; METHYL 2-FORMYLMETHYLPIPERIDINE-1-CARBOXYLATE

Carruthers, William,Moses, Roger C.

, p. 2251 - 2254 (2007/10/02)

2,3,4,5-Tetrahydropyridine N-oxide undergoes cycloaddition with isobutyl vinyl ether and allyl alcohol to give the hexahydroisoxazolopyridines (3) and (4).In model experiments these were converted into methyl 2-formylmethylpiperidine-1-carboxylate (9).

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