Cas 25245-41-4,2-bromo-1,3,4-trimethoxybenzene

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Check Digit Verification of cas no

The CAS Registry Mumber 25245-41-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,2,4 and 5 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 25245-41:
(7*2)+(6*5)+(5*2)+(4*4)+(3*5)+(2*4)+(1*1)=94
94 % 10 = 4
So 25245-41-4 is a valid CAS Registry Number.

25245-41-4Upstream product

25245-41-4Downstream Products

1352196-90-7 C₁₄H₁₈O₅

25245-41-4Relevant articles and documents

Synthesis of 1,2,4-trimethoxybenzene and its selective functionalization at C-3 by directed metalation

Alves, Ana P. L.,Junior, Jose Augusto B. C.,Slana, Glaucia B. A.,Cardoso, Jari N.,Wang, Qiang,Lopes, Rosangela S. C.,Lopes, Claudio C.

, p. 3693 - 3709 (2009)

A new and efficient strategy was developed for the preparation of 1,2,4-trimethoxybenzene (3, a powerful attractant of Euglossini bees) and its C-3 derivatives (7a-j), from vanillin (2) in 56% overall yield.

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25245-41-4