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1142923-75-8

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1142923-75-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1142923-75-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,4,2,9,2 and 3 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1142923-75:
(9*1)+(8*1)+(7*4)+(6*2)+(5*9)+(4*2)+(3*3)+(2*7)+(1*5)=138
138 % 10 = 8
So 1142923-75-8 is a valid CAS Registry Number.

1142923-75-8Upstream product

1142923-75-8Downstream Products

1142923-75-8Relevant academic research and scientific papers

Asymmetric synthesis of 2-alkyl-4-hydroxycyclohex-2-en-1-ones by scandium(III) triflate-catalyzed fragmentation of 2-alkyl-3-iodo-1-oxocyclohexan-2,4-carbolactones

Matsuo, Jun-ichi,Kawano, Mizuki,Takeuchi, Kosuke,Tanaka, Hiroyuki,Ishibashi, Hiroyuki

, p. 1917 - 1919 (2009)

Fragmentation of (2S,3S,4S)-2-allyl-3-iodo-1-oxocyclohexan-2,4-carbolactone to (4S)-2-allyl-4-hydroxycyclohex-2-en-1-one, a chiral building block of (-)-platensimycin, proceeded efficiently by using scandium(III) triflate in DMF-H2O (1:3) at 10

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