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10209-51-5

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10209-51-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 10209-51-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,0,2,0 and 9 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 10209-51:
(7*1)+(6*0)+(5*2)+(4*0)+(3*9)+(2*5)+(1*1)=55
55 % 10 = 5
So 10209-51-5 is a valid CAS Registry Number.

10209-51-5Upstream product

10209-51-5Relevant articles and documents

Self-aggregation of synthetic zinc chlorins possessing 'inverse' keto and hydroxyl groups

Tamiaki, Hitoshi,Miyatake, Tomohiro,Tanikaga, Rikuhei

, p. 267 - 270 (2007/10/03)

Zinc 3-acetyl-131-hydroxychlorin Zn-4 was efficiently prepared as a model for naturally occurring bacteriochlorophyll-d possessing 31-hydroxyl and 13-keto groups. Synthetic model Zn-4 self-aggregates to form oligomers in non-polar organic solvents as well as the isomeric zinc 31-hydroxy-131-oxochlorin Zn-1. Both the in-vitro aggregates are similar with the in-vivo aggregates of bacteriochlorophyll-d in the main light-harvesting antennae of photosynthetic green bacteria.

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