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154890-02-5

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154890-02-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 154890-02-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,4,8,9 and 0 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 154890-02:
(8*1)+(7*5)+(6*4)+(5*8)+(4*9)+(3*0)+(2*0)+(1*2)=145
145 % 10 = 5
So 154890-02-5 is a valid CAS Registry Number.

154890-02-5Relevant articles and documents

An efficient synthesis of a metabolite of vasopressin V2 receptor antagonist, OPC-31260, by metalloporphyrin-catalyzed demethylation

Kawano, Yoshikazu,Otsubo, Kenji,Matsubara, Jun,Kitano, Kazuyoshi,Ohtani, Tadaaki,Morita, Seiji,Uchida, Minoru

, p. 17 - 20 (2007/10/03)

A secondary amine (3) as a metabolite of the vasopressin V2 receptor antagonist, OPC-31260 (1), was efficiently prepared through selective demethylation of the corresponding N,N-dimethylalkylamine N-oxide (2) with meso-(tetraphenylporphinato)iron(III) chl

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