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98406-14-5

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98406-14-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98406-14-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,4,0 and 6 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 98406-14:
(7*9)+(6*8)+(5*4)+(4*0)+(3*6)+(2*1)+(1*4)=155
155 % 10 = 5
So 98406-14-5 is a valid CAS Registry Number.

98406-14-5Relevant articles and documents

HETEROCYCLIC SYSTEMS. V. SYNTHESIS OF 1H,4H,6H-PYRAZOLOPYRROLOOXAZEPINE DERIVATIVES

Massa, Silvio,Stefancich, Giorgio,Artico, Marino,Corelli, Federico,Ortenzi, Giovanni

, p. 1417 - 1423 (2007/10/02)

The synthesis of derivatives of a new tricyclic heteroaromatic ring, 1H,4H,6H-pyrazolopyrrolooxazepine, is described.Formylation of 4-ethoxycarbonyl-1-phenyl-5-(1-pyrryl)pyrazole, prepared from 5-amino-4-ethoxycarbonyl-1-phenylpyrazole

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