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4196-59-2

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4196-59-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4196-59-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,1,9 and 6 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 4196-59:
(6*4)+(5*1)+(4*9)+(3*6)+(2*5)+(1*9)=102
102 % 10 = 2
So 4196-59-2 is a valid CAS Registry Number.

4196-59-2Upstream product

4196-59-2Downstream Products

4196-59-2Relevant articles and documents

SYNTHESIS OF VARIOUS ANGULAR METHYLFUROCOUMARINS

Rodighiero, Paolo,Chilin, Adriana,Guiotto, Adriano

, p. 509 - 516 (2007/10/02)

A number of new methylfurocoumarins, in which the furan, benzene and α-pyrone rings are annulated angularly with various arrangements, were synthesized.The syntheses were performed starting from the appropriate hydroxycoumarins on which the furan ring was built.According to this scheme, methyl groups could be introduced into positions which look most promising for enhancement of photoreactivity with reference to the corresponding unmethylated compounds.

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