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872254-59-6

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872254-59-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 872254-59-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,2,2,5 and 4 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 872254-59:
(8*8)+(7*7)+(6*2)+(5*2)+(4*5)+(3*4)+(2*5)+(1*9)=186
186 % 10 = 6
So 872254-59-6 is a valid CAS Registry Number.

872254-59-6Relevant articles and documents

Regioselective construction of polysubstituted pyridine ring from Baylis-Hillman adducts via sequential introduction of tosylamide, Michael reaction, aldol condensation, and elimination of TsH

Park, Da Yeon,Lee, Mi Jung,Kim, Taek Hyeon,Kim, Jae Nyoung

, p. 8799 - 8803 (2007/10/03)

Facile synthetic method of polysubstituted pyridine derivatives was developed starting from the Baylis-Hillman adducts. The reaction involved sequential introduction of tosylamide, Michael addition, aldol condensation, elimination of p-toluenesulfinic aci

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