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52249-81-7

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52249-81-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 52249-81-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,2,4 and 9 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 52249-81:
(7*5)+(6*2)+(5*2)+(4*4)+(3*9)+(2*8)+(1*1)=117
117 % 10 = 7
So 52249-81-7 is a valid CAS Registry Number.

52249-81-7Relevant articles and documents

Flavonoids synthesis. I. Synthesis and spectroscopic properties of flavones with two hydroxy and five methoxy groups at C-2',3',4',5,6,6',7 and C-2',3,4',5,5',6,7

Iinuma,Matoba,Tanaka,Mizuno

, p. 1656 - 1662 (2007/10/02)

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