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158139-63-0

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158139-63-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 158139-63-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,1,3 and 9 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 158139-63:
(8*1)+(7*5)+(6*8)+(5*1)+(4*3)+(3*9)+(2*6)+(1*3)=150
150 % 10 = 0
So 158139-63-0 is a valid CAS Registry Number.

158139-63-0Relevant articles and documents

Synthesis of (R)- and (S)-4'-acetoxyolivetol [(R)- and (S)-5-(4'-acetoxypentyl)-1,3-benzenediol]: Key intermediates in the synthesis of tetrahydrocannabinol derivatives

Singer,Siegel,Gordon,Dutta,Razdan

, p. 486 - 488 (2007/10/02)

The synthesis of (R)- and (S)-4'-acetoxyolivetols, key intermediates in the synthesis of tetrahydrocannabinol derivatives from 3,5-dihydroxybenzoic acid (4) is described. The 3,5-dihydroxy groups were protected as their tert-butyldimethylsilyl derivatives

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