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1257421-62-7

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1257421-62-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1257421-62-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,7,4,2 and 1 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1257421-62:
(9*1)+(8*2)+(7*5)+(6*7)+(5*4)+(4*2)+(3*1)+(2*6)+(1*2)=147
147 % 10 = 7
So 1257421-62-7 is a valid CAS Registry Number.

1257421-62-7Downstream Products

1257421-62-7Relevant articles and documents

The synthesis and photophysical studies of pyridinyl-1,2,4-triazine derivatives and use as a fluorescent sensor for ferric salts

Thirumurugan, Prakasam,Perumal, Paramasivan T.

, p. 403 - 412 (2011)

A simple method is described for the efficient synthesis of bisaryl-3-pyridinyl-1,2,4-triazine derivatives via condensation of cinnamils with pyridine carboxtrisamidrazone in methanol under both conventional heating and microwave irradiation in high yield

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