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138000-20-1

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138000-20-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138000-20-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,0,0 and 0 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 138000-20:
(8*1)+(7*3)+(6*8)+(5*0)+(4*0)+(3*0)+(2*2)+(1*0)=81
81 % 10 = 1
So 138000-20-1 is a valid CAS Registry Number.

138000-20-1Downstream Products

138000-20-1Relevant articles and documents

REACTION OF DIALKOXYPHOSPHORYL- AND THIOPHOSPHORYLSULFENYL BROMIDES WITH DIAZO COMPOUNDS

Khaskin, B. A.,Torgasheva, N. A.,Ishmuratov, A. S.

, p. 989 - 993 (2007/10/02)

Reaction of dialkoxyphosphoryl- and thiophosphorylsulfenyl bromides with diazocompounds leads to the insertion of methylene or substituted methylene groups at the S-Br bond of the sulfenylbromide.In the reaction of dialkoxyphosphorylsulfenyl bromides with ethyl diazoacetate, insertion of an ethoxycarbonyl group at the S-Br bond of the sulfenyl bromide is accompanied by phosphoryl/thiophosphoryl rearrangement.

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