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74943-62-7

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74943-62-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74943-62-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,9,4 and 3 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 74943-62:
(7*7)+(6*4)+(5*9)+(4*4)+(3*3)+(2*6)+(1*2)=157
157 % 10 = 7
So 74943-62-7 is a valid CAS Registry Number.

74943-62-7Downstream Products

74943-62-7Relevant articles and documents

Derivatives of 2-Oxo-3(2H)-benzothiazolineacetonitrile and Related Compounds. II. Synthesis of 2-Oxo-alkyl Esters of 3(2H)-Benzothiazolineacetimidic Acids and Related Products

D'Amico, John J.,Bollinger, Frederic G.

, p. 1487 - 1496 (2007/10/02)

The reaction of the appropriate 2-benzothiazolinone or 2-benzoxazolinone under basic conditions with (1) 2-chloropropionitrile, (2) acrylonitrile, (3) 4-chlorobutyronitrile or (4) chloroacetonitrile afforded the nitriles 1-8.The reaction of various nitriles with alcoholic-hydrogen chloroide solutions at low temperatures afforded the hydrogen chloride salts of the imino-ester which upon neutralization with potassium carbonate yielded the titled compounds.

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