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101009-99-8

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101009-99-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 101009-99-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,1,0,0 and 9 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 101009-99:
(8*1)+(7*0)+(6*1)+(5*0)+(4*0)+(3*9)+(2*9)+(1*9)=68
68 % 10 = 8
So 101009-99-8 is a valid CAS Registry Number.

101009-99-8Relevant articles and documents

Organic Disulfides and Related Substances. 45. Synthesis and Properties of Some Disulfide Sulfinate Salts Containing No Nitrogen

Srivastava, Pramod K.,Field, Lamar

, p. 252 - 254 (2007/10/02)

Disulfide sulfinates of the structure RSS(CH2)4SO2Na were synthesized by reaction of 1,2-dithiane 1,1-dioxide (1), thiols, and sodium methoxide in methanol.Disproportionation was minimized by precipitating and reprecipitating the products with ether as quickly as possible; where R = aryl, protection from light is advisable.The groups R typify large lipophilic ones (n-decyl, 1-adamantyl), small hydrophilic ones (2-carboxyethyl, 2,3-dihydroxypropyl), disulfide sulfinates , and aryl groups substituted by electron-donating or electron-withdrawing groups.The products usually were quite hygroscopic and were isolated as hydrates.They disproportionated with varying ease in aqueous solution either to 1 or to the two symmetrical disulfides, RSSR and NaO2S(CH2)4SS(CH2)4SO2Na.

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