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1261500-99-5

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1261500-99-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1261500-99-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,1,5,0 and 0 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1261500-99:
(9*1)+(8*2)+(7*6)+(6*1)+(5*5)+(4*0)+(3*0)+(2*9)+(1*9)=125
125 % 10 = 5
So 1261500-99-5 is a valid CAS Registry Number.

1261500-99-5Relevant articles and documents

A chemical model for the inner-ring deiodination of thyroxine by iodothyronine deiodinase

Manna, Debasish,Mugesh, Govindasamy

, p. 9246 - 9249 (2010)

The I of the beholder: The presented chemical model for the inner-ring deiodination of thyroxine (T4) and 3,5,3′-triiodothyronine (T3) by iodothyronine deiodinase (see scheme) highlights the importance of an in-built thiol group in proximity to the selenium atom. The effective removal of iodine in the case of T4 indicates that an enol-keto tautomerism is not required for deiodination. Copyright

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