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138023-23-1

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138023-23-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138023-23-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,0,2 and 3 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 138023-23:
(8*1)+(7*3)+(6*8)+(5*0)+(4*2)+(3*3)+(2*2)+(1*3)=101
101 % 10 = 1
So 138023-23-1 is a valid CAS Registry Number.

138023-23-1Relevant articles and documents

HETEROADAMANTANES AND THEIR DERIVATIVES. XXII. SYNTHESIS OF 3,6-DIAZAHOMOADAMANTANE-9-SPIROOXIRANES

Kuznetsov, A. I.,Serova, T. M.,Nghi, Tran,Vladimirova, I. A.,Moskovkin, A. S.

, p. 391 - 395 (2007/10/02)

3,6-Diazahomoadamantane-9-spirooxiranes were obtained by the reaction of 3,6-diazahomoadamantan-9-ones with dimethylsulfoxoniomethanide. It was found that the oxirane ring is opened highly regioselectively by nucleophilic reagents.

HETEROADAMANTANES AND THEIR DERIVATIVES. 14. SYNTHESIS OF 3,6-DIAZAHOMOADAMANTAN-3-OLS AND THEIR ACETATES

Kuznetsov, A. I.,Vladimirova, I. A.,Serova, T. M.,Moskovkin, A. S.

, p. 631 - 635 (2007/10/02)

The reduction of 3,6-diazahomoadamantan-9-ones with metal hydrides gave 3,6-diazahomoadamantan-9-ols, which were converted to acetates by the action of acetic anhydride.The effect of the substituents in the nodal positions on the rates of reduction and ac

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