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85891-82-3

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85891-82-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 85891-82-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,8,9 and 1 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 85891-82:
(7*8)+(6*5)+(5*8)+(4*9)+(3*1)+(2*8)+(1*2)=183
183 % 10 = 3
So 85891-82-3 is a valid CAS Registry Number.

85891-82-3Relevant articles and documents

Unexpected extension of usage of PPh3/CBr4, a versatile reagent: Isomerization of aromatic allylic alcohols

Gong, Wanchun,Liu, Yun,Xue, Jijun,Xie, Zhixiang,Li, Ying

supporting information, p. 1597 - 1599 (2013/02/23)

The PPh3/CBr4-catalyzed isomerization of 2-aromatic allylic alcohols into the corresponding saturated aldehydes or ketones has been achieved at room temperature in good to excellent yields under mild and metal-free conditions. This new methodology has been applied successfully to the synthesis of ibuprofen in four steps.

SYNTHESIS OF 3-METHYL-2,3,4,4a,5,6-HEXAHYDRO-1H-BENZOFUROISOQUINOLINE-7(7aH)-ONES

Weller, Dwight, D.,Weller, Doreen, L.

, p. 5239 - 5242 (2007/10/02)

The 2,3,4,4a,5,6-hexahydro-1H-benzofuroisoquinoline-7(7aH)-one ring system is prepared from a 4-arylpyridine precursor by sequential intramolecular enolate addition to a pyridinium ion, Dieckmann cyclization, and catalytic hydrogenation.

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