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208399-63-7

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208399-63-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 208399-63-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,8,3,9 and 9 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 208399-63:
(8*2)+(7*0)+(6*8)+(5*3)+(4*9)+(3*9)+(2*6)+(1*3)=157
157 % 10 = 7
So 208399-63-7 is a valid CAS Registry Number.

208399-63-7Relevant articles and documents

Syntheses of Cyclic Bisbibenzyl Systems

Eicher, Theophil,Fey, Sabine,Puhl, Werner,Buechel, Edwin,Speicher, Andreas

, p. 877 - 888 (2007/10/03)

The cyclic bisbibenzyl systems Marchantin I (3), Riccardin C (4) and Isoplagiochin C (5) representing unique types of bryophyte constituents were prepared by a flexible, efficient and general synthetic approach involving the construction of biphenyl and bibenzyl units using Suzuki and Wittig protocols.

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