91171-35-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91171-35-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,1,7 and 1 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 91171-35:
(7*9)+(6*1)+(5*1)+(4*7)+(3*1)+(2*3)+(1*5)=116
116 % 10 = 6
So 91171-35-6 is a valid CAS Registry Number.
91171-35-6Relevant articles and documents
Water-soluble three (meta-sulfonate phenyl) phosphine preparation method
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Paragraph 0031; 0032, (2017/02/09)
The invention relates to a preparation method of water-soluble tri(m-sulfonate phenyl)phosphine (TPPTS). The preparation method comprises the following steps of: adding sodium metaborate which is 1.5-20wt% of total reactants into 100% concentrated sulfuri
