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1427470-74-3

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1427470-74-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1427470-74-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,7,4,7 and 0 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1427470-74:
(9*1)+(8*4)+(7*2)+(6*7)+(5*4)+(4*7)+(3*0)+(2*7)+(1*4)=163
163 % 10 = 3
So 1427470-74-3 is a valid CAS Registry Number.

1427470-74-3Downstream Products

1427470-74-3Relevant articles and documents

CHROMENE COMPOUND AND CURABLE COMPOSITION

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Paragraph 0183, (2014/08/06)

A chromene compound which has a sulfur-containing substituent represented by the following formula (2) at the 6-position and/or 7-position carbon atom of an indeno(2,1-f)naphtho(1,2-b)pyran structure and is excellent in photochromic properties and stability at a high temperature. (In the above formula, ring X is an aromatic hydrocarbon ring or aromatic heterocyclic ring, R3 and R4 are each independently an alkyl group, haloalkyl group, cycloalkyl group, alkoxy group, amino group, heterocyclic group containing a ring member nitrogen atom and bonded to the ring X bonded thereto via the nitrogen atom, halogen atom, aryloxy group or aryl group, and "a" is an integer of 0 to 4.)

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