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122531-39-9

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122531-39-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 122531-39-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,2,5,3 and 1 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 122531-39:
(8*1)+(7*2)+(6*2)+(5*5)+(4*3)+(3*1)+(2*3)+(1*9)=89
89 % 10 = 9
So 122531-39-9 is a valid CAS Registry Number.

122531-39-9Downstream Products

122531-39-9Relevant articles and documents

An improved synthesis of β-carboline and azepino-and azocino[3,4-b]indole derivatives from lactams

Tokmakov

, p. 211 - 216 (2014/06/23)

The Vilsmeier formylation of butyrolactam, N-methylbutyrolactam, N-methylvalerolactam, and N-methylcaprolactam followed by treatment with aryl hydrazines afforded the 2,3,4,9-tetrahydro-1H-β-carbolin-1-ones, 3,4,5,10-tetrahydroazepino[3,4-b]indol-1(2H)-ones, and 2,3,4,5,6,11-hexahydro- 1H-azocino[3,4-b]indol-1-ones. The synthesis was performed as a one-pot process without isolating the intermediate a-formyl lactams.

REACTIONS OF ARYLHYDRAZINES WITH α-FORMYL DERIVATIVES OF SIX- AND SEVEN-MEMBERED RING LACTAMS

Tokmakov, G. P.,Grandberg I. I.

, p. 1160 - 1165 (2007/10/02)

Reactions of α-formyl derivatives of N-methyl-δ-valerolactam and N-methyl-ε-caprolactam with arylhydrazines lead to the formation of 3,4,5,10-tetrahydroazepinoindole-1(2H)-one and 2,3,4,5,6,11-hexahydro-1H-azocinoindol-1-one derivatives.As t

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