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164921-92-0

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164921-92-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 164921-92-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,4,9,2 and 1 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 164921-92:
(8*1)+(7*6)+(6*4)+(5*9)+(4*2)+(3*1)+(2*9)+(1*2)=150
150 % 10 = 0
So 164921-92-0 is a valid CAS Registry Number.

164921-92-0Relevant articles and documents

A FACILE SYNTHESIS OF 4-ARYL-5-HYDROXY-(2E)-PENTENOATE DERIVATIVES AND ITS APPLICATIONS TO THE FIRST SYNTHESIS OF (+/-)-CURUCUDIOL, (+/-)-CURCUHYDROQUINONE AND (+/-)-CURCUQUINONE

Ono, Machiko,Yamamoto, Yasuo,Todoriki, Reiko,Akita, Hiroyuki

, p. 181 - 186 (2007/10/02)

The first syntheses of three kinds of bisabolane sesquiterpenes, (+/-)-curcudiol (29), (+/-)-curcuhydroquinone (40) and (+/-)-curcuquinone (41) were achieved based on the BF3*Et2O catalyzed reaction of (+/-) methyl 4,5-epoxy-(2E)-pentenoate (1) and polyme

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