623947-87-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 623947-87-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,2,3,9,4 and 7 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 623947-87:
(8*6)+(7*2)+(6*3)+(5*9)+(4*4)+(3*7)+(2*8)+(1*7)=185
185 % 10 = 5
So 623947-87-5 is a valid CAS Registry Number.
623947-87-5Relevant academic research and scientific papers
Disulfide-containing phenolic resin as curing agent for epoxy resin
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Page/Page column 36-37, (2009/03/07)
The present invention discloses a sulfur-containing phenolic resin which comprises an organic group represented by the following formula (1): [in-line-formulae]—R1—S—R2—S—R1—??(1)[/in-line-formulae]wherein R1 re
