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62692-61-9

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62692-61-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 62692-61-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,2,6,9 and 2 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 62692-61:
(7*6)+(6*2)+(5*6)+(4*9)+(3*2)+(2*6)+(1*1)=139
139 % 10 = 9
So 62692-61-9 is a valid CAS Registry Number.

62692-61-9Relevant articles and documents

ISOMERIZATION OF β-KETO-ALLENES

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Page/Page column 8-10, (2011/11/06)

Isomerization of β-keto-allenes of the general formula I wherein R1 is hydrogen, methyl or ethyl, in particular hydrogen or methyl; R2 is hydrogen or methyl; R3 is hydrogen or methyl, in particular methyl and R4 is an aliphatic hydrocarbon residue containing 1 - 37 carbon atoms, into corresponding α,γ-dienones of formula II by treatment with a basic ion exchange resin.

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