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19816-82-1

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19816-82-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 19816-82-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,8,1 and 6 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 19816-82:
(7*1)+(6*9)+(5*8)+(4*1)+(3*6)+(2*8)+(1*2)=141
141 % 10 = 1
So 19816-82-1 is a valid CAS Registry Number.

19816-82-1Relevant articles and documents

An expeditious and solvent free synthesis of azine derivatives using sulfated anatase-titania as a novel solid acid catalyst

Krishnakumar,Swaminathan

experimental part, p. 50 - 55 (2012/02/04)

Solid acid catalyst sulfated anatase-titania (TiO2-SO 42-) has been used for the synthesis of azine derivatives from benzophenone hydrazone and ketones/aldehydes by simple physical grinding. This sulfated titania gives an

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