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258854-31-8

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258854-31-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 258854-31-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,8,8,5 and 4 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 258854-31:
(8*2)+(7*5)+(6*8)+(5*8)+(4*5)+(3*4)+(2*3)+(1*1)=178
178 % 10 = 8
So 258854-31-8 is a valid CAS Registry Number.

258854-31-8Downstream Products

258854-31-8Relevant articles and documents

Oligomeric isoflavonoids. Part 4. Synthesis of the daljanelin class of isoflavonoid-neoflavonoid dimers

Rohwer, Mark B.,Van Heerden, Pieter S.,Brandt, E. Vincent,Bezuidenhoudt, Barend C. B.,Ferreira, Daneel

, p. 3367 - 3374 (2007/10/03)

A protocol of introducing an electrophilic C1 fragment to a pterocarpan nucleus, followed by anionic coupling of a C6-C2 benzofuranoid precursor and late introduction of the final C6 fragment, permitted the synt

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