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1287234-56-3

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1287234-56-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1287234-56-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,7,2,3 and 4 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1287234-56:
(9*1)+(8*2)+(7*8)+(6*7)+(5*2)+(4*3)+(3*4)+(2*5)+(1*6)=173
173 % 10 = 3
So 1287234-56-3 is a valid CAS Registry Number.

1287234-56-3Relevant articles and documents

New synthetic route to N-tocopherol derivatives: Synthesis of pyrrolopyridinol analogue of α-tocopherol from pyridoxine

Nam, Tae-Gyu,Ku, Jin-Mo,Park, Hyeung-Geun,Porter, Ned A.,Jeong, Byeong-Seon

, p. 1749 - 1755 (2011/04/26)

A new synthetic route to pyrrolopyridinol antioxidants from easily accessible pyridoxine was developed which includes phase-transfer catalytic alkylation and intramolecular Cu(i)-catalyzed amination as key steps.

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