130750-46-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 130750-46-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,7,5 and 0 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 130750-46:
(8*1)+(7*3)+(6*0)+(5*7)+(4*5)+(3*0)+(2*4)+(1*6)=98
98 % 10 = 8
So 130750-46-8 is a valid CAS Registry Number.
130750-46-8Relevant articles and documents
Synthesis of 2,4-diamino-thieno[2,3-d]pyrimidines
Link
, p. 797 - 803 (2007/10/02)
Condensation of 2-aminothiophene-3-carbonitrile (4) with guanidine or sequential addition of CS2 and NH3 to 4 provides 2,4-diaminothieno[2,3-d]pyrimidine (7). This compound yields, after sequential addition of sec-BuLi and either [3-
