214115-76-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 214115-76-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,4,1,1 and 5 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 214115-76:
(8*2)+(7*1)+(6*4)+(5*1)+(4*1)+(3*5)+(2*7)+(1*6)=91
91 % 10 = 1
So 214115-76-1 is a valid CAS Registry Number.
214115-76-1Relevant articles and documents
Neutral coloring photochromic 2H-naphtho[1,2-b] pyrans and heterocyclic pyrans
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, (2008/06/13)
Compositions comprising a naphtho [1,2-b]pyran of formula (I): wherein R7and/or R9is hydrogen or an amino group provided that R7and R9are not both hydrogen, and the other substituents are as defined in the speci