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64809-44-5

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64809-44-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 64809-44-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,8,0 and 9 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 64809-44:
(7*6)+(6*4)+(5*8)+(4*0)+(3*9)+(2*4)+(1*4)=145
145 % 10 = 5
So 64809-44-5 is a valid CAS Registry Number.

64809-44-5Relevant articles and documents

Synthesis of optically active natural carotenoids and structurally related compounds. II. Synthesis of (3S,3'S)-astaxanthin

Kienzle,Mayer

, p. 2609 - 2615 (2007/10/15)

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