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128856-70-2

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128856-70-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128856-70-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,8,5 and 6 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 128856-70:
(8*1)+(7*2)+(6*8)+(5*8)+(4*5)+(3*6)+(2*7)+(1*0)=162
162 % 10 = 2
So 128856-70-2 is a valid CAS Registry Number.

128856-70-2Relevant articles and documents

SYNTHESIS OF (+)-PALITANTIN

Hanessian, Stephen,Sakito, Yoji,Dhanoa, Daljit,Baptistella, Lucia

, p. 6623 - 6630 (1989)

(-)-Quinic acid was utilized for the synthesis of (+)-palitantin adopting the chiron approach.Pertinent methodology includes stereocontrolled free-radical deoxygenation, functional group adjustments and an α-keto hydroxymethylation reaction.

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