136210-28-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 136210-28-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,2,1 and 0 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 136210-28:
(8*1)+(7*3)+(6*6)+(5*2)+(4*1)+(3*0)+(2*2)+(1*8)=91
91 % 10 = 1
So 136210-28-1 is a valid CAS Registry Number.
136210-28-1Relevant articles and documents
Method of preparing polyaspartic ester
-
Paragraph 0037-0042, (2020/04/29)
The invention discloses a method of preparing polyaspartic ester. The preparation method comprises the following steps: (1) organic primary amine and unsaturated dibasic acid ester are subjected to Michael addition reaction under the catalysis of a suppor
