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613670-88-5

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613670-88-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 613670-88-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,1,3,6,7 and 0 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 613670-88:
(8*6)+(7*1)+(6*3)+(5*6)+(4*7)+(3*0)+(2*8)+(1*8)=155
155 % 10 = 5
So 613670-88-5 is a valid CAS Registry Number.

613670-88-5Relevant articles and documents

Synthesis of naphtho[2,3-b]-and naphtho[1,2-b]-fused thieno[2,3-d][1] benzoxepins and thieno[2,3-d][1]-benzothiepins

Landek, Ivana Ozimec,Pesic, Dijana,Trojko, Rudolf,Bogdanovic, Maja Devcic,Mercep, Mladen,Mesic, Milan

, p. 2269 - 2290 (2011/03/23)

Synthesis of four novel classes of structurally related fused hetero-pentacyclic compounds, naphtho[2,3-b]thieno[2,3-d][1]benzothiepins (Ia), naphtho[1,2-b]thieno[2,3-d][1]benzothiepins (IIa), naphtho[2,3-b]thieno-[2,3-d] [1]benzoxepins (Ib, c) and naphth

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