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1234619-97-6

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1234619-97-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1234619-97-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,4,6,1 and 9 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1234619-97:
(9*1)+(8*2)+(7*3)+(6*4)+(5*6)+(4*1)+(3*9)+(2*9)+(1*7)=156
156 % 10 = 6
So 1234619-97-6 is a valid CAS Registry Number.

1234619-97-6Downstream Products

1234619-97-6Relevant articles and documents

A new synthesis of 2,3-Di- or 2,3,3-trisubstituted 2,3-Dihydro-4-pyridones by reaction of 3-ethoxycyclobutanones and N - P -Toluenesulfonyl imines using titanium(IV) chloride: Synthesis of (±)-bremazocine

Matsuo, Jun-Ichi,Okado, Ryohei,Ishibashi, Hiroyuki

supporting information; experimental part, p. 3266 - 3268 (2010/10/04)

(Figure Presented) N-p-Toluenesulfonyl (Ts) aldimines reacted with 3-ethoxycyclobutanones by catalysis of titanium(IV) chloride to afford 2,3-di- or 2,3,3-trisubstituted N-Ts-2,3-dihydro-4-pyridones. Synthesis of (±)-bremazocine was efficiently accomplished by using this method.

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