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1756-87-2

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1756-87-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1756-87-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,7,5 and 6 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1756-87:
(6*1)+(5*7)+(4*5)+(3*6)+(2*8)+(1*7)=102
102 % 10 = 2
So 1756-87-2 is a valid CAS Registry Number.

1756-87-2Relevant articles and documents

Synthesis of Araneol and Araneosol, the Flavonoids of Anaphalis araneosa DC

Dutta, Pradeep K.,Bagchi, Debasis,Pakrashi, Satyesh C.

, p. 1037 - 1038 (2007/10/02)

Araneol (5,7-dihydroxy-3,6,8-trimethoxyflavone, I) and araneosol (5,7-dihydroxy-3,6,8,4'-tetramethoxyflavone, II) have been synthesised by Hoesch condensation of 1,3,5-trihydroxy-2,4-dimethoxybenzene (III) with methoxyacetonitrile, followed by Allan-Robin

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