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33977-49-0

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33977-49-0

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33977-49-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 33977-49-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,9,7 and 7 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 33977-49:
(7*3)+(6*3)+(5*9)+(4*7)+(3*7)+(2*4)+(1*9)=150
150 % 10 = 0
So 33977-49-0 is a valid CAS Registry Number.

33977-49-0Downstream Products

33977-49-0Relevant articles and documents

Mechanism of the pinacol-pinacolone rearrangement of 2,3-di-(3-pyridyl)-2,3-butanediol in sulfuric acid

Loeser, Eric,Chen, Guang-Pei,He, Tao,Prasad, Kapa,Repi?, Oljan

, p. 2161 - 2165 (2007/10/03)

The reaction of 2,3-di-(3-pyridyl)-2,3-butanediol (1) in H2SO4 was studied. It was found that the meso and racemic forms give mono- and bis-SO3 addition products, which rearrange to a ketone (Metopirone) and two other majo

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