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52813-48-6

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52813-48-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 52813-48-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,8,1 and 3 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 52813-48:
(7*5)+(6*2)+(5*8)+(4*1)+(3*3)+(2*4)+(1*8)=116
116 % 10 = 6
So 52813-48-6 is a valid CAS Registry Number.

52813-48-6Relevant articles and documents

Development of safe, scalable nitric acid oxidation using a catalytic amount of NaNO2 for 3-bromo-2,2-bis(bromomethyl)propanoic acid: An intermediate of S-013420

Osato, Hiroshi,Kabaki, Mikio,Shimizu, Sumio

, p. 581 - 584 (2011)

A safe, scalable process was developed for nitric acid oxidation of 3-bromo-2,2-bis(bromomethyl)propan-1-ol (2) to give 3-bromo-2,2-bis(bromomethyl) propanoic acid (3), an intermediate in the synthesis of S-013420 (1). The key points are the use of a catalytic amount of NaNO2 and addition of the starting material in portions. We achieved 3,000 L scale pilot production.

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