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782-03-6

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782-03-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 782-03-6 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,8 and 2 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 782-03:
(5*7)+(4*8)+(3*2)+(2*0)+(1*3)=76
76 % 10 = 6
So 782-03-6 is a valid CAS Registry Number.

782-03-6Relevant articles and documents

Synthesis and photochromic properties of substituted 3H-naphtho[2,1-b] pyrans

Gabbutt, Christopher D.,Heron, B. Mark,Instone, Alicia C.,Horton, Peter N.,Hursthouse, Michael B.

, p. 463 - 471 (2007/10/03)

The synthesis and spectroscopic properties of novel 3H-naphtho[2,1-b]pyrans are described. Subtle variation of the colour of the photo-generated merocyanine dyes derived from these naphthopyrans can be accomplished by controlling the steric interactions between a terminal pyrrolidine donor group and a proximal substituent.

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