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749256-67-5

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749256-67-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 749256-67-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,4,9,2,5 and 6 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 749256-67:
(8*7)+(7*4)+(6*9)+(5*2)+(4*5)+(3*6)+(2*6)+(1*7)=205
205 % 10 = 5
So 749256-67-5 is a valid CAS Registry Number.

749256-67-5Relevant articles and documents

Simple synthesis of sakuranetin and selinone via a common intermediate, utilizing complementary regioselectivity in the deacetylation of naringenin triacetate

Yamashita, Yasunobu,Hanaya, Kengo,Shoji, Mitsuru,Sugai, Takeshi

, p. 961 - 965 (2016)

Sakuranetin and selinone were successfully synthesized utilizing the regioselective deacetylation of naringenin triacetate. Deacetylation of the latter at C-7 with imidazole in 1,4-dioxane at 40°C furnished the corresponding diacetate in 80% yield. Methyl

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