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857652-04-1

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857652-04-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 857652-04-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,6,5 and 2 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 857652-04:
(8*8)+(7*5)+(6*7)+(5*6)+(4*5)+(3*2)+(2*0)+(1*4)=201
201 % 10 = 1
So 857652-04-1 is a valid CAS Registry Number.

857652-04-1Relevant articles and documents

The synthesis of (-)-varitriol and (-)-3′-epi-varitriol via a Ramberg-B?cklund route

McAllister, Graeme D.,Robinson, James E.,Taylor, Richard J.K.

, p. 12123 - 12130 (2008/02/11)

A concise route to the anti-tumour natural product (-)-varitriol, together with its novel isomer (-)-3′-epi-varitriol, is described using a Horner-Wadsworth-Emmons (HWE)/conjugate addition/Ramberg-B?cklund sequence as the cornerstone. The flexibility of t

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