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1621165-99-8

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1621165-99-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1621165-99-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,1,1,6 and 5 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1621165-99:
(9*1)+(8*6)+(7*2)+(6*1)+(5*1)+(4*6)+(3*5)+(2*9)+(1*9)=148
148 % 10 = 8
So 1621165-99-8 is a valid CAS Registry Number.

1621165-99-8Downstream Products

1621165-99-8Relevant articles and documents

2-oxo-1,3-dioxolane-4-carboxamide building blocks, their preparation and use

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Paragraph 0050; 0051; 0052, (2014/08/19)

The present invention suggests a 2-oxo-1,3-dioxolane-4-carboxamide of formula (I), wherein R is an n-valent radical, n is an integer from 2 to 10 and x is an integer from 1 to n-1. The invention furthermore suggests a process for the preparation of the 2-oxo-1,3-dioxolane-4-carboxamide of formula (I) from 2-oxo-1,3-dioxolane-4-carboxylic acid of formula (II) with a polyisocyanate of the formula R(NCO)n, where R and n have the meanings given, and the use of the 2-oxo-1,3-dioxolane-4-carboxamide of formula (I) for the preparation of a 2-oxo-1,3-dioxolane-4-carboxamide-substituted prepolymer.

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