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183625-23-2

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183625-23-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 183625-23-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,3,6,2 and 5 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 183625-23:
(8*1)+(7*8)+(6*3)+(5*6)+(4*2)+(3*5)+(2*2)+(1*3)=142
142 % 10 = 2
So 183625-23-2 is a valid CAS Registry Number.

183625-23-2Relevant articles and documents

δ-Lactone formation from δ-hydroxy-trans-α,β-unsaturated carboxylic acids accompanied by trans-cis isomerization: synthesis of (-)-tetra-O-acetylosmundalin

Ono, Machiko,Zhao, Xi Ying,Shida, Yuki,Akita, Hiroyuki

, p. 10140 - 10148 (2008/02/13)

(±)-(4,5-anti)-4-Benzyloxy-5-hydroxy-(2E)-hexenoic acid 6 was subjected to δ-lactonization in the presence of 2,4,6-trichlorobenzoyl chloride and pyridine to give the α,β-unsaturated-δ-lactone congener (±)-7 (87% yield) accompanied by trans-cis isomerizat

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